... %~250%ASTM D412Hardness10~40 Shore A (customize)ASTM 2240Temperature Range-60~260 CEn344Density0.6~0.9 g/cc (customize)ASTM D792Thermal ... ~0.9 g/cm3 = 0.0216~0.0325 Lb/in3 -60°C~260°C= -140°F ~500°F[Specification Available (mm ... ,20*20,25*25,30*30,40*10,50*10,60*10, 80*10,90*10,100*10What we produce on ... /foam strip 5. Perforation silicone sponge/foam strip Other shapes:“p” ,“e” shape can be customized