Firebrick Silicone Rubber Mushroom Size Width 11 x Height 12 x Thickness 3.5 mm. operating temperature -70 to +270ºC, highly flexible, good recovery. Food grade (FDA) rubber seal, no additives Safe for food and beverage industry Material Certification : FDA , REACH , RoHS Tel : 0621515494 Line OA : @PTIGLOBAL