1.Oil,heat,low-temperature,ozone/UV resistant 2.Through the strict quality testing 3.Meet FDA and ROSH authentication. 1.Material:Silicone,EPDM,NBR,SBR,etc2. Avirulent insipidity, strong resistance, restore elasticity3.Durometer: 25-90 shore A4. Soft degree is high, flexibility is good, high flame retardancy,snarling deformation,ozone resistance, ageing resistance5.Certification: Health ...