How Effective is the Wear Resistance of UHMW-PE?

UHMW-PE, or Ultra High Molecular Weight Polyethylene, is celebrated for its impressive properties as an engineering plastic. It offers remarkable wear resistance, impact resistance, and chemical resistance. Even at lower temperatures, UHMW-PE maintains its mechanical integrity and self-lubricating characteristics.

Yet, many may wonder about the true strength of UHMW-PE compared to steel. This leads to questions regarding the effectiveness of its wear resistance as well as its impact resistance.

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Evaluating Wear Resistance in UHMW-PE

The wear resistance of UHMW-PE surpasses that of all pure plastics, and it improves significantly with an increase in molecular weight. When UHMW-PE is combined with materials such as steel or copper, it may lead to adhesive wear, which means that the wear on the mating surfaces is minimal. In fact, the lifespan of UHMW-PE outmatches that of steel, offering wear resistance that is three to seven times superior to that of carbon steel and stainless steel. The following table provides a detailed comparison.

In a similar comparison, the friction coefficients of various materials used in conjunction with raw coal appear as follows:

It can be concluded from the data that using UHMW-PE as a lining in coal bunkers can extend the life of the bunker significantly, lasting up to ten years after installation. Its design addresses issues like material bonding, bridging, and blanking, improving the utilization rate of silos by an impressive 62%.

Impact Resistance of UHMW-PE

UHMW-PE ranks among the top in impact resistance. Its impact strength at room temperature is comparable to Polycarbonate PC, with even better performance at low temperatures. The impact resistance of UHMW-PE is eight times that of ABS, ten times that of PA66, twenty-two times that of POM, and twenty-five times that of PBT!

Based on the information above, it's clear that UHMW-PE can be utilized in a variety of applications. Beyond coal bunkers, it serves prominently as a lining plate in silos, funnels, and chutes across thermal power plants, steel production facilities, sintering, and coking plants. Its properties make it an excellent choice for lining materials.

Conclusion

To summarize, UHMW-PE is an exceptional engineering plastic, exhibiting superior properties. If you're in search of a plastic material to improve your equipment's efficiency or replace traditional metals with a lightweight and durable option, UHMW-PE is the ideal solution. For further insights on UHMW-PE, explore our blog posts titled What is UHMW PE plastic and what is it used for? and What properties does UHMW PE plastic have?.

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For more detailed information, please visit Uhmwpe Coal Lining Plate.