1. Common material classification Synthetic rubber Nitrile rubber (NBR), chloroprene rubber (CR, ethylene propylene rubber (EPDM), etc., with oil resistance, high temperature resistance and flexibility, suitable for conveying hydraulic oil, fuel and other media4 Polyurethane (PU) It is often used as the inner or outer layer, with oil resistance, aging resistance and wear resistance, small bending radius suitable for high-pressure liquid transmission in automobiles and construction machinery 24. Nylon (PA) / Polyamide Inner or outer layer material resistant to chemical corrosion, wide temperature range (-30℃~ 100℃), often used in steel wire/fiber reinforced hoses, suitable for high- spraying, pneumatic instruments and other scenarios 25. Polyacetal (POM) Inner layer material, excellent wear resistance, commonly used in-high pressure hoses, which can withstand extreme pressure when paired with steel wire reinforcement layers. Polytetrafluoroethylene (PTFE) Tlon material, strong chemical corrosion resistance, wide temperature adaptability, specially used for high-pressure gas transmission. PVC Three-layer rubber structure hose,-resistant, corrosion-resistant, low cost, suitable for general high-pressure liquid transmission.
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