... We can produce any type and colors as customers request. 3.Material:NBR SILICONE. Our company main-export rubber sealing ... sealing washer.various rubber parts etc.(1)Available material:materials for NBR,NR,HMBR,EPDM,ACM,silicne,viton(FDM).etc.wide ... processes confirm to the ISO-9000 system.(3)Excellent chemical and physical property,excellent oil high/low temperature-resistant,wearing-resistant,oil ...