{"id":21762,"date":"2026-03-12T07:05:49","date_gmt":"2026-03-12T07:05:49","guid":{"rendered":"https:\/\/corti-srl.it\/?p=21762"},"modified":"2026-09-30T11:52:07","modified_gmt":"2026-09-30T11:52:07","slug":"sebs-prosthetic-foot-wedges-materials-performance-and-manufacturing-for-advanced-orthopaedic-applications","status":"publish","type":"post","link":"https:\/\/corti-srl.it\/en\/sebs-prosthetic-foot-wedges-materials-performance-and-manufacturing-for-advanced-orthopaedic-applications\/","title":{"rendered":"SEBS prosthetic foot wedges: materials, performance and manufacturing for advanced orthopaedic applications\u00a0\u00a0"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21762\" class=\"elementor elementor-21762 elementor-21725\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a5661fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a5661fa\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2b1fc81\" data-id=\"2b1fc81\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3838ebdc elementor-widget elementor-widget-text-editor\" data-id=\"3838ebdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"auto\">The landscape of materials science applied to orthopaedic medicine is undergoing a profound transformation, driven by the need to combine outstanding biomechanical performance with an increasingly high degree of device customisation.<\/span><span data-ccp-props=\"{&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><p><span data-contrast=\"auto\">In\u00a0this\u00a0context,\u00a0<\/span><b><span data-contrast=\"auto\">SEBS<\/span><\/b><span data-contrast=\"auto\"> has emerged as a key technical solution for manufacturing critical components in high-performance prosthetic foot systems. <\/span><\/p><p><span data-contrast=\"auto\">The acronym SEBS stands for\u00a0<\/span><b><span data-contrast=\"auto\">Styrene-Ethylene-Butylene-Styrene<\/span><\/b><span data-contrast=\"auto\">, a thermoplastic elastomer belonging to the family of styrenic block copolymers.<\/span><span data-ccp-props=\"{&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><p><span data-contrast=\"auto\">Corti\u00a0Srl\u00a0manufactures\u00a0the shock-absorbing\u00a0<\/span><b><span data-contrast=\"auto\">prosthetic\u00a0foot wedges<\/span><\/b><span data-contrast=\"auto\"> used in the <\/span><a href=\"https:\/\/www.roadrunnerfoot.com\/product\/roadwalkingiihp\/\" target=\"_blank\" rel=\"noopener\"><b><span data-contrast=\"auto\">ROADWALKINGIIHP<\/span><\/b><\/a><b><span data-contrast=\"auto\">\u00a0prosthetic\u00a0foot<\/span><\/b><span data-contrast=\"auto\">, developed by Roadrunnerfoot Engineering, an Italian company specialising in advanced orthopaedic devices. Although small and almost invisible, this component has a decisive impact on gait quality for prosthesis users.<\/span><span data-ccp-props=\"{&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p><p>In this article, we examine this real-world application, exploring why <strong>SEBS<\/strong> is the ideal material for <strong>prosthetic foot wedges<\/strong>, how these components are produced through <strong>injection moulding<\/strong>, and what benefits they offer to the end user.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5086bb4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5086bb4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c9e2388\" data-id=\"c9e2388\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a90067 elementor-widget elementor-widget-text-editor\" data-id=\"1a90067\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 aria-level=\"2\"><span data-contrast=\"auto\">Why\u00a0material\u00a0selection\u00a0matters\u00a0in high-performance\u00a0prosthetic\u00a0feet<\/span><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:80}\">\u00a0<\/span><\/h2><p data-start=\"70\" data-end=\"305\">A <strong>prosthetic foot<\/strong> is not a static object. During the gait cycle, its components are subjected to thousands of cyclic loads, including compression at heel strike, torsion during the stance phase, and propulsive forces during push-off.<\/p><p data-start=\"307\" data-end=\"612\" data-is-last-node=\"\" data-is-only-node=\"\">In this context, selecting the most suitable material for <strong>shock-absorbing components<\/strong> in a high-performance <strong>prosthetic foot<\/strong> is essential to ensuring reliable, stable and long-lasting mechanical performance.\u00a0<\/p><h2 data-start=\"0\" data-end=\"73\">SEBS as a prosthetic material: from chemistry to real-world performance<\/h2><p data-start=\"75\" data-end=\"448\"><strong>SEBS<\/strong> is a <strong>block thermoplastic elastomer<\/strong> (<strong>TPE-S<\/strong>). The styrene segments provide rigidity and mechanical strength, while the ethylene-butylene blocks provide elasticity and flexibility.\u00a0<\/p><p data-start=\"75\" data-end=\"448\">The result is a material that behaves like vulcanised rubber at room temperature while retaining the processability typical of thermoplastics\u2014an essential advantage for injection moulding.<\/p><p data-start=\"450\" data-end=\"598\" data-is-last-node=\"\" data-is-only-node=\"\">Each physical property of the material is designed to meet the specific requirements of orthopaedic applications, as illustrated in the table below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23c8c17 elementor-widget elementor-widget-text-editor\" data-id=\"23c8c17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<style>\n  \/* Container for mobile horizontal scroll *\/\n  .table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    margin: 20px 0;\n  }\n\n  \/* Base table structure *\/\n  .custom-tpes-eng-final {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: inherit; \n    font-size: 15px;      \n    border: 1px solid #4A5257; \n    background-color: #ffffff;\n    color: #4A5257;\n  }\n\n  \/* Centered alignment, padding and borders for all cells *\/\n  .custom-tpes-eng-final th, \n  .custom-tpes-eng-final td {\n    text-align: center !important;\n    vertical-align: middle;\n    padding: 15px 20px;\n    border: 1px solid #4A5257;\n    line-height: 1.5;\n  }\n\n  \/* HEADER ROW: Weight 600 *\/\n  .custom-tpes-eng-final thead th {\n    font-weight: 600 !important;\n    color: #4A5257;\n    background-color: #ffffff;\n  }\n\n  \/* FIRST COLUMN: Weight 600 *\/\n  .custom-tpes-eng-final tbody td:first-child {\n    font-weight: 600 !important;\n  }\n\n  \/* Body cells font weight *\/\n  .custom-tpes-eng-final tbody td {\n    font-weight: normal;\n  }\n\n  \/* Mobile optimization *\/\n  @media screen and (max-width: 768px) {\n    .custom-tpes-eng-final {\n      min-width: 800px;\n    }\n  }\n<\/style>\n\n<div class=\"table-wrapper\">\n  <table class=\"custom-tpes-eng-final\" aria-label=\"Technical properties of TPE-S for prosthetic wedges\">\n    <thead>\n      <tr>\n        <th>Property<\/th>\n        <th>Technical characteristic<\/th>\n        <th>Relevance to the prosthetic wedge<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Block molecular structure<\/td>\n        <td>TPE-S copolymer (Styrene-Ethylene-Butylene-Styrene)<\/td>\n        <td>Optimal balance between stiffness and elastic rebound during gait<\/td>\n      <\/tr>\n      <tr>\n        <td>Variable Shore hardness<\/td>\n        <td>Soft-to-hard modulation through compound formulation<\/td>\n        <td>Calibration according to body weight<\/td>\n      <\/tr>\n      <tr>\n        <td>Low compression set<\/td>\n        <td>Minimal permanent deformation under repeated cyclic loads<\/td>\n        <td>Consistent elastic performance over time<\/td>\n      <\/tr>\n      <tr>\n        <td>Thermal stability (-50\u00b0C \/ +125\u00b0C)<\/td>\n        <td>Stable mechanical properties across a wide temperature range<\/td>\n        <td>Reliable performance in extreme conditions<\/td>\n      <\/tr>\n      <tr>\n        <td>Oil-free formulation<\/td>\n        <td>Absence of migrating plasticising oils<\/td>\n        <td>Stable adhesion to laminates and structural integrity<\/td>\n      <\/tr>\n      <tr>\n        <td>Biocompatibility<\/td>\n        <td>Free from PVC, latex and phthalates; compliant with ISO 13485<\/td>\n        <td>No risk of allergic reactions; suitable for prolonged contact with the user<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b446a21 elementor-widget elementor-widget-text-editor\" data-id=\"b446a21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"0\" data-end=\"270\">These characteristics make <strong data-start=\"27\" data-end=\"35\">SEBS<\/strong> a particularly suitable material for demanding environments such as <strong data-start=\"104\" data-end=\"155\">the Milano Cortina 2026 Winter Paralympic Games<\/strong>, where low temperatures, high speeds and rapid changes in gradient place extreme demands on prosthetic components.<\/p><p data-start=\"272\" data-end=\"738\">A comparison with traditional elastomeric materials further highlights the advantages of SEBS. PVC, for example, requires the addition of plasticisers to achieve the necessary flexibility.\u00a0<span style=\"letter-spacing: 0em;\">These often include <\/span><b style=\"letter-spacing: 0em;\">phthalates<\/b><span style=\"letter-spacing: 0em;\">, substances that may migrate over time to contact surfaces. Latex, while offering good initial elasticity, presents other limitations: in addition to the risk of allergic reactions, it tends to degrade more rapidly under cyclic mechanical stress.<\/span><\/p><p data-start=\"740\" data-end=\"876\">Thanks to its molecular structure, <strong data-start=\"775\" data-end=\"783\">SEBS<\/strong> ensures reliability, consistent performance and long-term safety in prosthetic applications.<\/p><p data-start=\"878\" data-end=\"1059\" data-is-last-node=\"\" data-is-only-node=\"\">In the following sections, we examine how modulating the hardness of <b>SEBS<\/b> makes it possible to optimise comfort, performance and user well-being in advanced <strong>prosthetic foot systems<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-629dfa6 elementor-widget elementor-widget-text-editor\" data-id=\"629dfa6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"112\" data-end=\"185\"><span class=\"TextRun SCXW228587247 BCX0\" lang=\"IT-IT\" xml:lang=\"IT-IT\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">Comparison<\/span><span class=\"NormalTextRun SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">between<\/span><span class=\"NormalTextRun SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">\u00a0SEBS, EVA and TPU:\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">which<\/span><span class=\"NormalTextRun SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">material<\/span><span class=\"NormalTextRun SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\"> for a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">prosthetic<\/span><span class=\"NormalTextRun SCXW228587247 BCX0\" data-ccp-parastyle=\"heading 2\">\u00a0wedge?<\/span><\/span><span class=\"EOP SCXW228587247 BCX0\" data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/h2><p data-start=\"187\" data-end=\"454\" data-is-last-node=\"\" data-is-only-node=\"\">After analysing the advantages of SEBS over traditional materials, the following table compares its performance with that of two modern materials commonly used for <b>shock-absorbing components<\/b>: <b>EVA<\/b> (<b>ethylene-vinyl acetate<\/b>) and <b>TPU<\/b> (<b>thermoplastic polyurethane<\/b>).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c54b36d elementor-widget elementor-widget-text-editor\" data-id=\"c54b36d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<style>\n  \/* Container per lo scroll su mobile *\/\n  .table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    margin: 20px 0;\n  }\n\n  \/* Struttura base della tabella *\/\n  .custom-eng-comparison {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: inherit; \n    font-size: 15px;      \n    border: 1px solid #4A5257; \n    background-color: #ffffff;\n    color: #4A5257;\n  }\n\n  \/* Centratura, padding e bordi per tutte le celle *\/\n  .custom-eng-comparison th, \n  .custom-eng-comparison td {\n    text-align: center !important;\n    vertical-align: middle;\n    padding: 15px 20px;\n    border: 1px solid #4A5257;\n    line-height: 1.5;\n  }\n\n  \/* PRIMA RIGA: Weight 600 *\/\n  .custom-eng-comparison thead th {\n    font-weight: 600 !important;\n    color: #4A5257;\n    background-color: #ffffff;\n  }\n\n  \/* PRIMA COLONNA: Weight 600 *\/\n  .custom-eng-comparison tbody td:first-child {\n    font-weight: 600 !important;\n  }\n\n  \/* Testo normale per le altre celle *\/\n  .custom-eng-comparison tbody td {\n    font-weight: normal;\n  }\n\n  \/* Ottimizzazione per dispositivi mobili (4 colonne richiedono spazio) *\/\n  @media screen and (max-width: 768px) {\n    .custom-eng-comparison {\n      min-width: 850px;\n    }\n  }\n<\/style>\n\n<div class=\"table-wrapper\">\n  <table class=\"custom-eng-comparison\" aria-label=\"Technical comparison of EVA, TPU, and SEBS materials\">\n    <thead>\n      <tr>\n        <th>Feature<\/th>\n        <th>EVA<\/th>\n        <th>TPU<\/th>\n        <th>SEBS<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Compression set<\/td>\n        <td>High-tends to collapse under cyclic loads<\/td>\n        <td>Low-good long-term resilience<\/td>\n        <td>Very low-constant elastic response<\/td>\n      <\/tr>\n      <tr>\n        <td>Thermal stability<\/td>\n        <td>Limited-reduced performance at low temperatures<\/td>\n        <td>Good but stiffens below 0\u00b0C<\/td>\n        <td>Excellent from -50\u00b0C to +125\u00b0C<\/td>\n      <\/tr>\n      <tr>\n        <td>Biocompatibility<\/td>\n        <td>Good but often contains chemical additives<\/td>\n        <td>Excellent<\/td>\n        <td>Excellent \u2013 oil-free and free of phthalates and latex<\/td>\n      <\/tr>\n      <tr>\n        <td>Hardness customisation<\/td>\n        <td>Limited<\/td>\n        <td>Good<\/td>\n        <td>High-soft\/hard formulations available<\/td>\n      <\/tr>\n      <tr>\n        <td>Processability<\/td>\n        <td>Good<\/td>\n        <td>Good<\/td>\n        <td>Excellent for injection moulding<\/td>\n      <\/tr>\n      <tr>\n        <td>Suitability for sports prosthetics<\/td>\n        <td>Partial<\/td>\n        <td>Good but limited in cold climates<\/td>\n        <td>Optimal in all conditions<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23bec96 elementor-widget elementor-widget-text-editor\" data-id=\"23bec96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"0\" data-end=\"166\"><strong data-start=\"0\" data-end=\"8\">SEBS<\/strong> proves to be a particularly well-balanced solution because it combines greater resilience than <strong data-start=\"104\" data-end=\"111\" data-is-only-node=\"\">EVA<\/strong> with superior thermal stability compared with <strong data-start=\"158\" data-end=\"165\">TPU<\/strong>.<\/p><p data-start=\"0\" data-end=\"166\">From a manufacturing sustainability perspective, <strong data-start=\"217\" data-end=\"225\">SEBS<\/strong> can also offer advantages. All three materials are <strong data-start=\"277\" data-end=\"295\">thermoplastics<\/strong> and are therefore theoretically recyclable; however, in real applications the recovery of <strong data-start=\"386\" data-end=\"393\">EVA<\/strong> and <strong data-start=\"398\" data-end=\"405\">TPU<\/strong> may be more complex depending on the structure of the material and the manufacturing process.\u00a0<span style=\"letter-spacing: 0em;\">By contrast, <\/span><strong style=\"letter-spacing: 0em;\" data-start=\"513\" data-end=\"521\">SEBS<\/strong><span style=\"letter-spacing: 0em;\"> is generally more suitable for remelting and reuse, helping to reduce production waste.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2803a6 elementor-widget elementor-widget-text-editor\" data-id=\"e2803a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"flex flex-col text-sm pb-25\"><article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-WEB:38857878-7db2-415e-b306-48dbbb669208-6\" data-testid=\"conversation-turn-14\" data-scroll-anchor=\"true\" data-turn=\"assistant\"><div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"><div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"><div class=\"flex max-w-full flex-col gap-4 grow\"><div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"f9531948-9222-412b-b731-b2722bbb7b6a\" data-message-model-slug=\"gpt-5-3\"><div class=\"flex w-full flex-col gap-1 empty:hidden\"><div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"><h2 data-start=\"0\" data-end=\"54\"><strong data-start=\"0\" data-end=\"54\">The prosthetic foot and the role of the SEBS wedge<\/strong><\/h2><p data-start=\"56\" data-end=\"482\">The <a href=\"https:\/\/www.roadrunnerfoot.com\/product\/roadwalkingiihp\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"60\" data-end=\"79\">ROADWALKINGIIHP<\/strong><\/a> is a <strong data-start=\"85\" data-end=\"113\">K4-level prosthetic foot<\/strong> designed for highly active users. The device combines four <strong data-start=\"173\" data-end=\"199\">carbon-fibre laminates<\/strong>, produced using aerospace-derived autoclave cycles, with three ground contact points.<\/p><p data-start=\"56\" data-end=\"482\">This unique configuration enables energy return efficiency of up to 70% in certain wedge configurations, placing it among the highest-performing devices in this category of <strong data-start=\"467\" data-end=\"481\">prostheses<\/strong>.<\/p><p data-start=\"484\" data-end=\"939\">Within this architecture, the <strong data-start=\"514\" data-end=\"545\">SEBS shock-absorbing wedges<\/strong> produced by Corti Srl perform a crucial <strong data-start=\"586\" data-end=\"612\">biomechanical function<\/strong>: they absorb impact during <strong data-start=\"640\" data-end=\"655\">heel strike<\/strong> and <strong data-start=\"660\" data-end=\"677\">return energy<\/strong> in a controlled manner during the <strong data-start=\"712\" data-end=\"732\">propulsive phase<\/strong>.<\/p><p data-start=\"484\" data-end=\"939\">The ability of <strong data-start=\"749\" data-end=\"757\">SEBS<\/strong> to dissipate <strong data-start=\"771\" data-end=\"789\">kinetic energy<\/strong> and gradually release it reduces stress on the user\u2019s <strong data-start=\"844\" data-end=\"863\">residual joints<\/strong> while maximising the <strong data-start=\"885\" data-end=\"904\">elastic rebound<\/strong> of the <strong data-start=\"912\" data-end=\"938\">carbon-fibre laminates<\/strong>.<\/p><p data-start=\"941\" data-end=\"1307\" data-is-last-node=\"\" data-is-only-node=\"\">Without a <strong data-start=\"951\" data-end=\"976\">shock-absorbing wedge<\/strong> with appropriate mechanical properties, even the most advanced carbon laminate would not be able to perform to its full potential.<\/p><p data-start=\"941\" data-end=\"1307\" data-is-last-node=\"\" data-is-only-node=\"\">In this sense, the <strong data-start=\"1127\" data-end=\"1141\">SEBS wedge<\/strong> acts as the <strong data-start=\"1154\" data-end=\"1227\">interface between the user\u2019s biomechanics and the device\u2019s technology<\/strong>, transforming material performance into efficient, stable and natural movement.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/article><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-ae3725b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ae3725b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1006669\" data-id=\"1006669\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d08b39 elementor-widget elementor-widget-image\" data-id=\"5d08b39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-1024x1024.png\" class=\"attachment-large size-large wp-image-21778\" alt=\"Shock-absorbing wedges\" srcset=\"https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-1024x1024.png 1024w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-300x300.png 300w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-150x150.png 150w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-768x768.png 768w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges-200x200.png 200w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/Shock-absorbing-wedges.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Shock-absorbing wedges<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-cb5ba21\" data-id=\"cb5ba21\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-565d578 elementor-widget elementor-widget-image\" data-id=\"565d578\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.roadrunnerfoot.com\/product\/roadwalkingiihp\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-1024x1024.png\" class=\"attachment-large size-large wp-image-21780\" alt=\"\" srcset=\"https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-1024x1024.png 1024w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-300x300.png 300w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-150x150.png 150w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-768x768.png 768w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot-200x200.png 200w, https:\/\/corti-srl.it\/wp-content\/uploads\/2026\/03\/ROADWALKINGIIHP-prosthetic-foot.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">ROADWALKINGIIHP prosthetic foot<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f7123e elementor-widget elementor-widget-text-editor\" data-id=\"9f7123e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"111\" data-end=\"176\"><strong data-start=\"111\" data-end=\"176\">Soft or hard wedge: customisation according to patient weight<\/strong><\/h2><p data-start=\"178\" data-end=\"332\">One of the most innovative aspects of the prosthetic foot system is the availability of two <strong data-start=\"270\" data-end=\"284\">SEBS wedge<\/strong> variants\u2014a <strong data-start=\"296\" data-end=\"310\">soft wedge<\/strong> and a <strong data-start=\"317\" data-end=\"331\">hard wedge<\/strong>.<\/p><p data-start=\"334\" data-end=\"479\" data-is-last-node=\"\" data-is-only-node=\"\">Wedge selection is calibrated according to the user\u2019s body weight to ensure a consistent and optimal mechanical response regardless of body type.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9712459 elementor-widget elementor-widget-text-editor\" data-id=\"9712459\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<style>\n  \/* Container for mobile horizontal scroll *\/\n  .table-wrapper {\n    width: 100%;\n    overflow-x: auto;\n    margin: 20px 0;\n  }\n\n  \/* Base table structure *\/\n  .custom-wedge-eng {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: inherit; \n    font-size: 15px;      \n    border: 1px solid #4A5257; \n    background-color: #ffffff;\n    color: #4A5257;\n  }\n\n  \/* Centered alignment, padding and borders for all cells *\/\n  .custom-wedge-eng th, \n  .custom-wedge-eng td {\n    text-align: center !important;\n    vertical-align: middle;\n    padding: 15px 20px;\n    border: 1px solid #4A5257;\n    line-height: 1.5;\n  }\n\n  \/* HEADER ROW: Weight 600 *\/\n  .custom-wedge-eng thead th {\n    font-weight: 600 !important;\n    color: #4A5257;\n    background-color: #ffffff;\n  }\n\n  \/* FIRST COLUMN: Weight 600 *\/\n  .custom-wedge-eng tbody td:first-child {\n    font-weight: 600 !important;\n  }\n\n  \/* Body cells font weight *\/\n  .custom-wedge-eng tbody td {\n    font-weight: normal;\n  }\n\n  \/* Mobile optimization *\/\n  @media screen and (max-width: 768px) {\n    .custom-wedge-eng {\n      min-width: 700px;\n    }\n  }\n<\/style>\n\n<div class=\"table-wrapper\">\n  <table class=\"custom-wedge-eng\" aria-label=\"Comparison between Soft and Hard prosthetic wedges\">\n    <thead>\n      <tr>\n        <th>Characteristic<\/th>\n        <th>Soft wedge<\/th>\n        <th>Hard wedge<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Typical user<\/td>\n        <td>Lower body weight<\/td>\n        <td>Higher body weight<\/td>\n      <\/tr>\n      <tr>\n        <td>Load response<\/td>\n        <td>Soft, progressive cushioning<\/td>\n        <td>Greater resistance to compression<\/td>\n      <\/tr>\n      <tr>\n        <td>Biomechanical function<\/td>\n        <td>Efficiently absorbs impact under lighter loads<\/td>\n        <td>Maintains gait stability by preventing excessive compression of the wedge<\/td>\n      <\/tr>\n      <tr>\n        <td>Energy return<\/td>\n        <td>Optimised to return energy under lighter loads<\/td>\n        <td>Maintains up to 70% efficiency even under higher loads<\/td>\n      <\/tr>\n      <tr>\n        <td>Clinical impact<\/td>\n        <td>Reduces joint stress and protects the lower back<\/td>\n        <td>Prevents gait asymmetries<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaee470 elementor-widget elementor-widget-text-editor\" data-id=\"aaee470\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"103\" data-end=\"350\">It is important to note that wedge customisation affects not only athletic performance. A prosthesis that does not correctly compensate for differences in body weight may lead to <strong data-start=\"282\" data-end=\"349\">gait asymmetries, postural problems and chronic lower-back pain<\/strong>.<\/p><p data-start=\"352\" data-end=\"631\" data-is-last-node=\"\" data-is-only-node=\"\">Optimising the <strong data-start=\"367\" data-end=\"410\">carbon-fibre laminate\u2013SEBS wedge system<\/strong> makes it possible to achieve a <strong data-start=\"442\" data-end=\"467\">load\u2013deflection curve<\/strong> that closely replicates the physiological function of the <strong data-start=\"526\" data-end=\"554\">human foot\u2013ankle complex<\/strong>, thereby protecting the <strong data-start=\"579\" data-end=\"593\">sound limb<\/strong> from long-term degenerative overload.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0c1eb6 elementor-widget elementor-widget-text-editor\" data-id=\"d0c1eb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"flex flex-col text-sm pb-25\"><article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-69b18567-dd34-838e-9118-7ae96e7a1eab-12\" data-testid=\"conversation-turn-98\" data-scroll-anchor=\"true\" data-turn=\"assistant\"><div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"><div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"><div class=\"flex max-w-full flex-col gap-4 grow\"><div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"6a470df3-f7df-436d-bbd2-fccf41e54de8\" data-message-model-slug=\"gpt-5-3\"><div class=\"flex w-full flex-col gap-1 empty:hidden\"><div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"><h2 data-start=\"124\" data-end=\"186\"><strong data-start=\"124\" data-end=\"186\">How Corti Srl manufactures SEBS wedges: injection moulding<\/strong><\/h2><p data-start=\"188\" data-end=\"256\">The <strong data-start=\"192\" data-end=\"207\">SEBS wedges<\/strong> are manufactured through <strong data-start=\"233\" data-end=\"255\">injection moulding<\/strong>. For this specific component, the production workflow includes:<\/p><ul><li data-start=\"322\" data-end=\"963\"><strong data-start=\"324\" data-end=\"341\">CAD modelling<\/strong> of the wedge geometry, optimised according to the force vectors of the <strong data-start=\"413\" data-end=\"427\">gait cycle<\/strong> analysed by <strong data-start=\"440\" data-end=\"458\">Roadrunnerfoot<\/strong> through <strong data-start=\"467\" data-end=\"484\">Gait Analysis<\/strong><\/li><li data-start=\"322\" data-end=\"963\"><strong data-start=\"489\" data-end=\"513\">Material preparation<\/strong>, including dehumidification of <strong data-start=\"545\" data-end=\"562\">SEBS granules<\/strong>, with parameters set to prevent structural defects<\/li><li data-start=\"322\" data-end=\"963\"><strong data-start=\"618\" data-end=\"640\">Injection moulding<\/strong> at controlled temperatures between <strong data-start=\"676\" data-end=\"697\">160 \u00b0C and 220 \u00b0C<\/strong>, calibrated to ensure homogeneous material distribution<\/li><li data-start=\"322\" data-end=\"963\"><strong data-start=\"758\" data-end=\"780\">Controlled cooling<\/strong> to prevent internal stresses and post-ejection deformation<\/li><li data-start=\"322\" data-end=\"963\"><strong data-start=\"844\" data-end=\"890\">Manual finishing and final quality control<\/strong>, including verification of tolerances critical for <strong data-start=\"942\" data-end=\"963\">gait biomechanics<\/strong><\/li><\/ul><p data-start=\"965\" data-end=\"1136\">Finally, <strong data-start=\"974\" data-end=\"1009\">Industry 4.0 <\/strong>monitoring systems continuously track process parameters, ensuring elastic uniformity, batch repeatability and optimal biomechanical performance. In an application that directly affects the user\u2019s quality of life, this level of process control is an essential requirement.<span style=\"letter-spacing: 0em;\">\u00a0<\/span>\u00a0<\/p><p data-start=\"1138\" data-end=\"1268\" data-is-last-node=\"\" data-is-only-node=\"\">\ud83d\udd17 <strong data-start=\"63\" data-end=\"83\">Further reading:<\/strong> for a complete overview of our manufacturing activities, you can visit the page <em><a href=\"https:\/\/corti-srl.it\/en\/capabilities\/\" target=\"_blank\" rel=\"noopener\">Discover all Corti Srl manufacturing processes<\/a><\/em><\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/article><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-410754c elementor-widget elementor-widget-text-editor\" data-id=\"410754c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 data-start=\"131\" data-end=\"210\"><strong data-start=\"131\" data-end=\"210\">A use case that opens new scenarios: where the same approach can be applied<\/strong><\/h2><p data-start=\"212\" data-end=\"414\">This project demonstrates how <strong data-start=\"242\" data-end=\"250\">SEBS<\/strong> represents a practical engineering solution for applications that require long-term stability, absence of additive migration and a predictable mechanical response. Corti Srl processes <strong data-start=\"436\" data-end=\"444\">SEBS<\/strong> across a wide range of sectors.<\/p><p data-start=\"478\" data-end=\"748\">The <strong data-start=\"482\" data-end=\"506\">oil-free formulation<\/strong>, for example, not only ensures adhesion between the prosthetic wedge and the carbon laminate; it is also used in the production of <strong data-start=\"638\" data-end=\"656\">furniture feet<\/strong> designed for delicate surfaces, such as untreated parquet, carpets and light-coloured rugs.\u00a0<span style=\"letter-spacing: 0em;\">In these contexts, the absence of migrating plasticisers prevents the formation of marks, residues or stains over time\u2014providing a level of protection that no additional surface treatment can guarantee.<\/span><\/p><p data-start=\"954\" data-end=\"983\">Further applications include:<\/p><ul><li data-start=\"985\" data-end=\"1415\">Seals and flexible components for <strong data-start=\"1021\" data-end=\"1064\">medical and para-pharmaceutical devices<\/strong><\/li><li data-start=\"985\" data-end=\"1415\"><strong data-start=\"1069\" data-end=\"1097\">Shock-absorbing elements<\/strong> for professional sports equipment<\/li><li data-start=\"985\" data-end=\"1415\"><strong>Grip and ergonomic components<\/strong> for surgical and rehabilitation instruments<\/li><li data-start=\"985\" data-end=\"1415\"><strong data-start=\"1218\" data-end=\"1262\">Anti-scratch furniture feet and supports<\/strong> for delicate flooring and untreated surfaces<\/li><li data-start=\"985\" data-end=\"1415\"><strong data-start=\"1312\" data-end=\"1335\" data-is-only-node=\"\">Protective coatings<\/strong> in automotive and electronics applications, where thermal stability is critical<\/li><\/ul><p data-start=\"1417\" data-end=\"1478\">To evaluate <strong data-start=\"1429\" data-end=\"1458\">customised SEBS solutions<\/strong>, please <strong><a href=\"https:\/\/corti-srl.it\/en\/contact-us\/\" target=\"_blank\" rel=\"noopener\">contact us<\/a><\/strong>. Our <strong data-start=\"1484\" data-end=\"1502\">technical team<\/strong> will support you in selecting and developing the solution best suited to your requirements.<\/p><p data-start=\"156\" data-end=\"214\"><em><strong data-start=\"156\" data-end=\"214\">Article prepared by Corti Srl Technical Department<\/strong><\/em><\/p><p data-start=\"216\" data-end=\"288\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14a44d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14a44d4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a22f311\" data-id=\"a22f311\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd8b373 elementor-widget elementor-widget-text-editor\" data-id=\"cd8b373\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 data-start=\"0\" data-end=\"3\">FAQ<\/h3><p data-start=\"5\" data-end=\"60\"><strong data-start=\"5\" data-end=\"60\">What is SEBS and why is it used in prosthetic feet?<br \/><\/strong><b>SEBS<\/b> is a <b>biocompatible thermoplastic elastomer <\/b>that maintains consistent elasticity and shape even after thousands of use cycles, making it ideal for shock-absorbing components in <b>prosthetic feet<\/b>. Its styrenic block structure ensures thermal stability from -50\u00b0C to +125\u00b0C and a complete absence of phthalates and latex. These properties are essential for devices that remain in prolonged contact with the body and must deliver reliable performance even in extreme climatic conditions.<\/p><p><strong data-start=\"550\" data-end=\"614\">What is the difference between a soft and a hard SEBS wedge?<br \/><\/strong><span style=\"letter-spacing: 0em;\">The soft SEBS wedge is designed for lighter users, while the hard SEBS wedge is intended for heavier users. This is a technical rather than a subjective choice, as it directly affects joint health and gait quality over time. A wedge that is not properly matched to the patient\u2019s body weight may cause chronic lower-back pain and joint problems if it is too soft, or gait asymmetries if it is too hard.<\/span><\/p><p><strong data-start=\"1019\" data-end=\"1081\">Why is SEBS better than EVA or TPU for a prosthetic wedge?<br \/><\/strong><b>SEBS<\/b> combines the advantages offered separately by <b>EVA<\/b> and <b>TPU<\/b>: greater resilience than EVA and higher thermal stability than TPU, with the additional possibility of hardness customisation according to the needs of the individual user. EVA tends to collapse under prolonged cyclic loads, while TPU stiffens at sub-zero temperatures. Thanks to its molecular structure, SEBS overcomes both of these limitations.<\/p><p><strong data-start=\"1494\" data-end=\"1553\">Is SEBS safe for applications in contact with the body?<br \/><\/strong>Yes. <b>SEBS<\/b> is inherently biocompatible and free from PVC, latex and phthalates. In addition, the oil-free formulation used by Corti Srl eliminates the risk of plasticiser migration to surfaces in contact with the body, ensuring long-term chemical stability.<\/p><p><strong data-start=\"1813\" data-end=\"1860\">How does Corti Srl manufacture SEBS wedges?<br \/><\/strong>Corti Srl manufactures <b>SEBS<\/b> wedges through<b> injection moulding<\/b>. The process begins with CAD modelling, followed by granule preparation and dehumidification, injection at controlled temperatures between 160\u00b0C and 220\u00b0C, and final quality control with millimetric tolerances. Each batch is monitored using Industry 4.0 systems to ensure repeatability, traceability and consistent quality.<\/p><p><strong data-start=\"2249\" data-end=\"2298\">Is SEBS used only in prosthetic applications<br \/><\/strong>No. Thanks to its properties, SEBS is used in many other applications as well. Corti Srl, for example, uses it for oil-free furniture feet, where the absence of migrating plasticisers prevents marks on untreated parquet, carpets and light-coloured rugs. Other applications include medical seals, shock-absorbing components for sports equipment, and protective coatings in the automotive sector.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The landscape of materials science applied to orthopaedic medicine is undergoing a profound transformation, driven by the need to combine outstanding biomechanical performance with an increasingly high degree of device customisation.\u00a0 In\u00a0this\u00a0context,\u00a0SEBS has emerged as a key technical solution for manufacturing&#8230;<\/p>\n","protected":false},"author":2,"featured_media":21972,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52],"tags":[],"class_list":["post-21762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"The landscape of materials science applied to orthopaedic medicine is undergoing a profound transformation, driven by the need to combine outstanding biomechanical performance with an increasingly high degree of device customisation. 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