... , please do not hesitate to contact us. Thanks.Rubber Washer is one of our main products, we can supply you ... materials of rubber wahsers, viton washer, silicone washer, EPDM washer, NBR washer, PU washer, NR washer, etc.NBR Flat Rubber Washer SizeMaterialDuroColoras per your sizeNBR40~95 Shore ... 110°CHardnessRange (Shore A) 40° to 90° NBR Flat Rubber Washer as below, Duro 70, OD86 × ID70 × TK6 MM