... (5). Extended flexible life and reduced maintenanceDefects for silicone tubeNot suitable for use with concentrated acids and bases, organic solvents ... heaters) and electronic automotive, medical and other mechanical products.(3)use for Pharmaceutical, Biotechnology, Food and Beverage ,Aerospace ,Cosmetic ,General ... . flexible silicone hose with FDA,LFGB ROHS CERTIFICATE for industrial/medical