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Materials

Silicone moulding: silicone rubber components to drawing

We compression-mould silicone components to customer drawings, including parts with metal inserts: a rubber that withstands extreme temperatures, UV light and ozone, and is non-toxic and biocompatible.

What is silicone?

Silicone (VMQ, methyl vinyl silicone rubber) has a backbone of silicon and oxygen atoms instead of carbon. This structure gives it exceptional thermal stability: it stays elastic from severe cold to high temperatures, where other rubbers harden or degrade.

It resists ozone, UV light and ageing, is water-repellent and an excellent electrical insulator and, in dedicated formulations, suitable for food contact and medical use. Its tear and abrasion resistance is lower than that of other rubbers, which is taken into account in the part design.

When a fluoroelastomer (FKM) is chosen mainly for high-temperature resistance, silicone can be a PFAS-free alternative.

Properties of silicone

  • High resistance to high temperatures
  • Good resistance to low temperatures
  • Excellent weather resistance
  • Outstanding resistance to UV rays and ozone
  • Good elasticity
  • Non-toxic and biocompatible

Indicative continuous service temperatures for the most common grades: the exact value depends on the grade and formulation and should be checked on the data sheet of the chosen material.

What is silicone used for?

  • High-temperature seals
  • Components for medical and parapharmaceutical devices
  • Food-contact parts
  • Insulators and protection for electrical components
  • Rubber-tyred wheels and technical components exposed to heat

What we have made in silicone

  • Suction cups
  • Seals
  • Buttons for capitonné armchairs and sofas
  • Silicone rubber components with metal inserts
  • Parts for medical and food use, in certified silicone
Silicone parts
Silicone parts

How we mould silicone

Silicone is compression-moulded: the compound is vulcanised in the heated mould, usually with peroxides. It can also be vulcanised onto metal inserts.

Silicone or another material?

The material is chosen according to the conditions of use of the component. The closest alternatives:

Compare all materials in the comparison table

Do you have a component to make in silicone?

Send us your drawing or a sample: the contact form opens with the material already selected. If the material is still open, we will choose it together.

Contact us