Ultra high molecular weight poly chain guide rails with a molecular weight of 3 million to 5 million have excellent wear resistance, self-lubrication, low temperature resistance, impact resistance, non-adhesion, corrosion resistance, low water absorption, and hygiene. It can be used as wire, machine tool guide rail, guide strip, liner, insert, etc. High density wear-resistant strip liner friction strip Product performance: 1. Small wear. 2. Low friction resistance. 3. Self-lubricating. (No need for any lubricating oil) 4. Impact resistance. 5. The operating temperature range is -200~+80℃. 6. It has a shock absorbing effect. 7. Not susceptible to moisture in a humid environment. 8. High chemical resistance. 9. Corrosion resistance.