The most common choice of material for gasketing application is Rubber, due to its elastomeric properties, which results in high degree of deformation without permanent damage or loss of pressure. Rubber Concept manufactures gasket from.

Silicone Gasket
Silicone Sponge Gasket
EPDM Gaskets
Neoprene Gaskets
Nitrile Gaskets
Viton Gaskets
Natural Rubber Gaskets
SBR Gasket