... High impact resistance; 3. Corrosion resistance; 4. Good self-lubrica UHMWPE pipes Ultra-high molecular weight polyethylene (UHMWPE) ... pressure strength, resistance to environmental stress cracking, eminent self-lubricating, anti-adhesion, the unique low temperature resistance, ... high impact resistance;3. Corrosion resistance;4. Good self-lubrication;5. The unique resistance to low temperature;6. Not ...