... 3. Low temperature resistance 4. low friction coefficient raw material of UHMW plastic rod: UHMW PE PowderUHMWPE= Ultra-high ... Its molecular weight has reached over 5 million, its five properties of abrasion, impact and corrosion resistance, self-lubrication, and ... housing, valve seats and valve gasket. 7,Medical, macromolecular material: artificial articulation, surgical parts. 8,Sport goods: ski and ...