... ,NR,FPM,EPDM, silicone, SBR,PU Specifications: Molded seal(o ring oil seal stem valve seal rubber plug stopper)Materials: NBR, NR, FPM, MVQ ... -resistant,ectSpecifications: not standard, OEM is welcome. Colors: manyInner packing: Plastic bag Outer packing: CartonPayment: T/TUnit pricedepend on the material ...