... resisting performance is good 1.SpecificationsName:Durable Lining Block for coal mining Material:puPrice:competitiveAdvantage:Wear-resisting performance is ... as competitive price. We would welcome supplying with you for all kinds of rubber sealing products,such as oil seal, ... sheets,roller,gaskets,etc. Accordingly,the materials are various for you choose. For example, NR, NBR, EPDM, PTFE, PU, Silicone, ...