COHlastic #900X solid-silicone gasketing material is UV resistant, chemically inert, and available in Durometers of 50, 60, and 70 Shore A.
The commercial grade silicone comes in 36-in.-wide continuous length rolls and 36 x 36-in. sheets in thicknesses of 1/16, 1/8, and 1/4 in. Sheet goods with silicone and acrylic pressure-sensitive adhesives are also available. Service temperature ratings for the silicone range from 65 to 450°F.
Saint-Gobain Performance Plastics
14 McCafferty St.
Hoosick Falls, NY 12090