... , house-hold appliance, telecommunication, automobile, medical equipment industry etc. Commonly used raw material: Material nameAbbreviationNatural rubberNRNitrile butadiene rubberNBRSilica gelSiliconeFluorine rubberFKM & VITONEthylene ... . Services: Rubber products molding processing, OEM service, design custom. Tips:How to choose the material, not the expensive is the best, each ...