Looking for silicone sponge sheet with following specifications:Color:White,red,etcDensity:200-800Material:Silicone rubber spongeCertificate:ISO9001:2008elongation at break:>200%Product Name:silicone foam sheettemperature:-60°C~260°Cfeature:close open ardness:40-70Atensile strength:>4Mpa