... . different colors, sizes Features of Molded epdm rubber o-rings, washers 1) Material: NBR, NR, EPDM, silicone, SBR,PU 2)Working ... for your referenceProducts of our Molded epdm rubber o-rings, washers that meet international standards:Product quality is our top concern ... , we check the quality very strictly, from raw material to assembly. We source raw materials ...