Elastomers:
- Neoprene
- Nitrile (Buna-N)
- EPDM
- Silicone
- SBR (Red Rainbow Sheet)
- Viton
- Pure Gum
- Neoprene Diaphragm Sheet
- SBR Cloth-Inserted Sheet
Close Cell Sponge
Open Cell Sponge
Non-Elastomers:
- Vegetable/Plant Fiber
- Cork
- Cork/Rubber Blend
Compressed Gasket Sheet
- Compressed Non-Asbestos (CNA)
- Flexible Graphite Sheet