gasket silicon 1.gasket silicon material advice 2.custom-made 3.Water/Oil/UV/Ozone/Temperature/Abrasion resistant 4.OEM/OD gasket silicon features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, SBR, CR, NR, etc),as your request , Environmental Friendly.2. Application: Auto, air condition, machinery, water pumps, valves, furniture, toys, pipes etc.3. Certifications: All ...