The polyethylene scraper is made of ultra-high molecular weight polyethylene with a molecular weight of more than 5 million, referred to as UPE scraper, which is an environmentally friendly sheet. Impact, anti-corrosion, acid and alkali resistance, low temperature resistance, self-lubrication, anti-static, special non-stick, insulation, non-toxic and many other excellent characteristics, can work normally in the environment of 90 degrees Celsius to 269 degrees Celsius for a long time, its physical properties and High mechanical performance, can play the role of anti-sticking, anti-blocking, and noise reduction, convenient construction and installation, saving maintenance costs, etc.

The scraper made of UHMWPE has the following characteristics:

1. Non-stick material:
The surface adsorption force is very weak, its anti-adhesion ability is second only to PTFE, the water absorption rate is almost zero, only 1% of PA6, coal dust, wet soil, laterite, and other highly viscous materials even if the humidity is high, It will not stick to it, and the sliding speed of the material has nothing to do with the humidity factor.
2. Wear resistance:
The wear resistance of polyethylene liner ranks first among engineering plastics, and the wear resistance of polyethylene liner is higher than that of many metal materials (such as carbon steel, stainless steel, bronze, etc.). The abrasion index of mortar is only 1/5 of PA66, 1/10 of HDPE and PVC; compared with metal, it is 1/7 of carbon steel and 1/27 of brass. 
3. Self-lubricating
The coefficient of static friction is 0.07, and the self-lubricating property is good, second only to polytetrachloroethylene (PTFE) under the condition of no lubricant; the lubricity is better than that of steel and brass with lubricating oil. It is an ideal lining, the friction part of the equipment, in addition to improving the wear-resistant life, it can also receive energy-saving effect. 
4. Corrosion resistance:
Polyethylene liner is not corroded in alkaline solution, stable in 75% concentrated sulfuric acid and 20% nitric acid, and it is also stable in seawater and liquid detergents. 
5. Impact resistance:
The polyethylene liner has a large molecular weight and tight chemical bonds. Therefore, it has strong impact resistance and will not break. The impact strength is 10 times that of nylon 66, 20 times that of polyvinyl chloride, and 8 times that of PTFE; the impact strength is about 2 times that of impact-resistant PC, 5 times that of ABS, and more than 10 times that of POM and PBTP. Especially in the low temperature environment, its impact strength reaches a high value, and its flexibility can provide a very safe and reliable guarantee for the conveying system. 
6. Low temperature resistance:
Polyethylene car board is a material with excellent toughness, and its low temperature resistance is also very good. It still has a certain degree of ductility at a low temperature of -269 °C, and there is no sign of embrittlement. Especially suitable for Northeast, Inner Mongolia. 
7. Hygienic and non-toxic:
It is tasteless, non-toxic, odorless, non-corrosive, and has physiological inertia and physiological adaptability. beautiful 
8. Light weight:
The density of UHMWPE is 0.93-.97, which is the lowest density among many materials, and the lightest and the lightest engineering plastics.

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