Two characteristics of UHMWPE sheet

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2014-12-26

UHMWPE is an excellent system performance engineering plastics, such as high plate wear and impact resistance, low friction coefficient, good self-lubricating properties, excellent resistance to temperature, resistance to chemical corrosion.
1, to improve the wear resistance
The most striking increase in molecular weight polyethylene, a performance is that it has a very high wear resistance, this performance has many engineering applications are very valuable. In the present, all plastic, its wear resistance is the best, even many metal materials (such as carbon steel, stainless steel, bronze, etc.) are not as regular grind it. As the molecular weight of the polyethylene increases, the more such materials wear.
2, high impact resistance
When UHMWPE impact strength, and its molecular weight about, a molecular weight of less than 2,000,000, along with molecular weight increase, increased impact strength, around 2,000,000 reaches a peak, then after the peak, the molecular weight and then increased but the impact strength will decline. This is because when the molecular chain is very hindered its optical crystal effect, so that there is a large region in the amorphous macromolecule which can absorb a large impact energy.

 

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