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Advantages Of UHMW Polyethylene Panels In Various Industries

UHMWPE material has an extremely low coefficient of friction (0.05 to 0.11) and therefore excellent self-lubricity. The friction coefficient of UHMWPE and other engineering plastics was compared. Under water lubrication conditions, UHMWPE dynamic friction coefficient is 1/2 of PA66 and POM, which is the second largest self-lubricating polytetrafluoroethylene in plastic under non-lubricated conditions,PTFE); when it is operated in sliding or rotating form, it is more lubricated than steel and brass after lubrication. Therefore, UHMWPE is called a friction material and has very good cost/performance in the field of tribology.

UHMWPE material has excellent chemical resistance. In addition to strong oxidizing acids, it can withstand various corrosive media (acids, alkalis, salts) and organic media (except hydrazine solvents) at a certain temperature and concentration range. This was immersed in 80 kinds of organic solvents at 20 ° C and 80 ° C for 30 days, and the appearance was not abnormal, and other physical properties hardly changed. UHMWPE has excellent low temperature resistance and ductility at liquid helium temperature (-269 ° C), so it can be used as a low temperature resistant component for the nuclear industry.

UHMWPE material has a weak surface adsorption capacity, and its anti-adhesive ability is second only to non-tacky PTFE in plastics, so the surface of the product is not sticky with other materials.

Due to the structural characteristics required for tensile orientation, UHMWPE material has an unparalleled ultra-high tensile strength, so it can produce ultra-high elastic modulus and strength fibers by gel spinning, and its tensile strength can reach 3~3.5GPa. The tensile modulus is as high as 100-125GPa; the fiber with the highest specific strength of all fibers commercialized so far is 4 times larger than carbon fiber, 10 times larger than steel wire and 50% larger than aramid fiber.

UHMW polyethylene panels


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