High molecular weight polyethylene (UHMW-PE) liner is a molecular weight of more than 3 million of thermoplastic engineering plastics, it has a good anti-blocking, self-lubricating, non-absorbent, high wear resistance, anti-static, The It has been widely used in coal, electricity, cement, metallurgical and other industries of the original coal bunker, clay warehouse, iron warehouse, mix silo and other silos.
Ultra-high molecular weight polyethylene is a kind of polymer compounds, it is difficult to process, and has a strong wear resistance, self-lubricating, high strength, chemical stability, anti-aging performance, so in the identification of true and false polymer poly Ethylene, we must pay attention to these characteristics, the specific identification method is as follows:
1. Weighing rules: pure ultra-high molecular weight polyethylene made of the proportion of products in the 0.93-0.95 between the smaller density, can float on the water. If it is not pure polyethylene material, it will sink into the water.
2. Temperature measurement: pure ultra-high molecular weight polyethylene products, at 200 degrees Celsius is not melted, will not be deformed, but will become soft. If it is not pure ultra-high molecular weight polyethylene material at 200 degrees Celsius will be deformed.
3. Visual method: the real ultra-high molecular weight polyethylene surface smooth, uniform, smooth and cut the density is very uniform, if not pure polyethylene material color is dim and uneven density.
4. Edge test method: pure ultra-high molecular weight polyethylene flanging end rounded, uniform, smooth, if not pure polyethylene material flanging face cracks, and in the turn after the turn will appear dregs phenomenon.
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