... recognized as "amazing engineering plastics". SpecificationUltra-high molecular weight polyethylene (UHMW-PE) is thermoplastic engineering plastics. ... chemical machineryanti-friction,anti-,chemicalsvalve, gasket, filling, gear wheel, bolt, nozzle, axle, sleeve transmission gear,metal ... ,flange,blender fanprotector and lining of machinery tools,and so ongeneral machineryself-lubricating,anti-friction, ...