... Wear resistance Raw materials Name friction coefficientSelf lubricating water lubrication oil lubricationUHMWPE 0.10 ~ 0.22 0.05 ~ 0 ... , the products are mainly use of ultra-high molecular weight polyethylene wear resistance, impact resistance, their own lubrication and ... of the funnel, leakage trough, the flap, scraper conveyor track, jig screen panel, the flotation chenban, shipping cargo compartment ...