... standard,ASTM 4.Cheap & nice quality Specifications:1.Silione rubber seal can easily withstand temperature range of -80 C to ... price and service;About us: We are a professional silicon rubber product manufacturer in China for more than 8 years. ... ornaments, shoe material, mobile phone cases, automotive rubber accessories, non-slip map, rubber ketchenware, rubber seals, wrist strap, and so on. Welcome ...