Redbrick Silicone Rubber O-Ring Size ID.326 x OD.346 x Thickness 10 mm. Usage temperature -70 to +315°C, highly flexible, good recovery. Not easily deformed It has food grade properties (FDA), free of additives, UV resistant, Ozone resistant, environment resistant, mold resistant and bacteria resistant. Tel : 022577145 MB : 0982539956 / E-mail : info@ptigroups.com / Line OA : @PTIGLOBAL