... rubber manufacturer. Details of soft silicone o ring: Strength of Silicone MaterialElongationexcellent PermeabilityexcellentOxygen Resistantexcellent High and low ... and Vegetable Oil Resistancesuitable1. Materials: comply to ROHS, Silicone (VMQ), or NBR, EPDM, Viton, etc.2. ... upon international standard, no flash.5. Color: black, transparent, green, red, yellow, grey, purple, pink or ...