... second sealing, the bearing house are made of UHMWPE which has a very low surface energy and are anti-adhesion, so it ... leading producer of UHMWPE,UHMW-PE,UHMW PE,UHMW,UPE in China. We provide quality Rod,Pipe,Tube,Sheet,Film,Roller, ... Conveyor Idler,Custom parts at competitive price.Plastic conveyor roller (idler).UHMWPE Rail. Conveyor Roller. UHMWPE Roller Idler. UHMWPE Tube.UHMWPE ...