VMQ, Silicone O-Rings & Seals

Silicone O-rings are very resistant to high/low temperatures, oxygen, ozone, and UV light. In addition to being generally inert (non-reactive), silicones are odourless, tasteless, non- toxic, and fungus resistant. They also have great flexibility retention and low compression set.

It must be taken into account that in general silicone has poor mechanical performance. Silicone Seals are sensitive to shear forces, and therefore not suitable for dynamic or rotary closing applications.

NewDealSeals supplies Silicone O-Rings & VMQ seals in any dimension and in various compounds. Can we be of service with our expertise? Call +31(0)226362233 or mail us info@newdealseals.com.

General properties VMQ

Temperature range:
Relative cost

Common names:
Colours available:

-54 to 232 °C
30 / 40 / 50 / 60 / 70 / 80 
KE® (Shin-Etsu Silicones), Silastic® (Dow Corning Corp.), Silplus® (Momentive Performance Materials Inc.), Tufel® (Momentive Performance Materials Inc.)
Silicone, VMQ, PVMQ
Red,Yellow, Other colors on request.

Silicone performs well in

  • Engine & transmission oils (mineral oils)
  • Ozone
  • Dry heat

    Silicone does not perform well in

    • Petroleum oils & fuels
    • Ketones (MEK, acetone)
    • Steam
    • Concentrated acids

      Typical VMQ Applications

      1. High temperature air seals
      2. Aircraft, subways and building interiors
      3. Sound and vibration dampening in automotive

        Certifications & compliances

        Newdealseals offers a wide range of products & materials that are certified and/or in compliance with industry specific standards. Examples of certifications and compliances:

        FDA CFR 21.177.2600 (A-D) Dry foods
        FDA CFR 21.177.2600 (A-F) Fatty foods
        EC 1935/2004 compliance
        EC 2023/2006 compliance
        BFR Class XV

        USP class VI
        ISO 10993
        NSF 61 section 6

        Oil & Gas
        Norsok M710

        Drinking water


        Gas appliances
        DIN EN 549

        Alternatives for VMQ, Silicone O-Rings & Seals

        Do you want an improved compression set?

        NBR, Nitrile O-Rings

        Temperature range (-40 to 108 °C). Low material price, good oil resistance and good mechanical properties.

        NBR, Nitril →

        Do you want better overal chemical resistance & higher temperature resistance?

        FKM, Viton® O-Rings

        Temperature range (-25 to 204 °C). Very good resistance to chemicals, oils, ozone and UV. Suitable for static and light dynamic applications.

        FKM, Viton® →



        We believe in the quality of our products and service. Fill out the form and we will contact you shortly.

        NewDealSeals B.V.

        +31 (0) 226 362 233


        Energiestraat 2-5, 1749 DN Warmenhuizen, Nederland