... repeated impaction,even at -196°C it is tough,together with it’s superior abrasion and corrosion ... plastics even steel.4. Self lubricationUHMW-PE is selflubricant,as a bearing even without grease it ... other engineering plastics,rubber and leather etc.It is commonly used as gears,sprokets,rollers, mixer ... and bottles,reduces noise,prolongs the life of screw and transportation belt. UHMWPE Pump parts ...