VMQ (PVMQ, silicone rubber)

The basic monomer unit of polyorganic silicone rubber is dimethylsiloxane, which belongs to the group of elastomeric materials made of silicon, hydrogen, oxygen and carbon. It is very resistant to high and especially to low temperatures, as well as to aging, UV radiation, all weather conditions, oxygen, moisture and ozone. It has lower tensile strength, a high coefficient of friction and it is not well resistant to wear.

It may have good permeability, electrical resistance and it can be non-flammable. It is also very resistant to animal and vegetable fats, brake fluids, oils, but not to mineral oils. Resistant to acids and alkalis.

Usage:

food industry, medical devices, gaskets.

Advantages:

• very clean, odorless and tasteless,
• excellent compressibility,
• excellent temperature resistance,
• resistance to all weather conditions and to ozone.

Disadvantages:

• poor wear resistance,
• poor tensile strength,
• not intended to be used in concentrated acids, in oxidizing media, water or moisture of a temperature over 100 ° C.

Temperature resistance: from – 65 °C to 200 °C.

Hardness: 30 to 85 Shore A.