... & corrosion resistance 2.self-lubrication 3. Low temperature resistant 4. Hygienic & Non-toxic wear resistant uhmw pe powder:UHMWPE= Ultra-high ... buffer, gear, pinion and small roller. 6,Chemical industry: pump impeller, pump housing, valve seats and valve gasket. 7,Medical, macromolecular material ... separator, screen plate of nuclear power plant, fishing rope Hygienic & Nontoxic UHMW-PE Powder