SealSpec / Custom gaskets / Solid silicone
Solid silicone rubber gaskets
Custom-cut solid silicone rubber gaskets (VMQ): where it works, where it fails, typical properties, and how to call it out on a drawing. Use the builder to spec your part in this material.
Typical properties
| Polymer | VMQ |
|---|---|
| Form | solid |
| Service temperature | -65 to 450 °F |
| Firmness | 30–80 Shore A |
| Common thicknesses (in) | .031, .062, .093, .125, .187, .250 |
Typical ranges for the material family. Specific grades differ: confirm on the datasheet.
Strengths
- Wide temperature range
- Weather, ozone and UV resistance
- FDA and medical grades available
Watch out for
- Low tear strength
- Not for petroleum oils, fuels or steam over long periods
Typical applications
- Food and medical equipment
- Heat-exposed seals
- Lighting
Specs and standards to reference
- ASTM D2000 type/class callouts
- AMS-R-3065 / commercial grades
- FDA 21 CFR 177.2600 grades exist
Chemical check: see Silicone ratings across 2,088 fluids →