... silicone rubber 2.Any color and size is OK 3.Certificates SGS,Reach, CE food grade silicone bottle drinking ... to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). Stand wear and tear, anti-sepsis, Soft, arc resistance, ... water heaters) and electronic automotive, medical and other mechanical products.(3)use for Pharmaceutical, Biotechnology, Food and Beverage ,Aerospace ,Cosmetic ...