... of other plastic incomparable wear-resisting, impact resistance, self-lubricating resistance, corrosion resistance, low temperature, non-adhesive etc sum ... impacts from various sands, mud and slurries. 3. Corrosive resistance: Higher structure stability, corrosion resistant to various chemical ... . 4. No electrochemical corrosion, no need anti-corrosive coating. 5. Self-lubrication: The roughness of ...