... :silicone rubber,NBR,NR,FPM,EPDM, silicone, SBR,PU Specifications: Molded, OEM o ringMaterials: NBR, NR, EPDM, silicone, SBR,PUFunction: automobile/ ... machine use/daily useCharacteristics:ozone-resistant, high/low temperature-resistant, ... your samples or draft/ customersdesign and specification are accepted. o ring