Ultra-high molecular weight polyethylene dock fenders have the characteristics of lightweight, impact resistance, wear resistance, corrosion resistance, UV resistance, aging resistance, small friction coefficient, and can effectively prevent ultraviolet radiation and so on. Its impact strength is 20 times that of polyvinyl chloride, 10 times that of nylon 66, and 8 times that of polytetrafluoroethylene. It has wide applicability and can be used as a ship anti-collision device. Strong adaptability to ship berthing; easy installation and maintenance.

1. Basic characteristics of ultra-high molecular weight polyethylene materials

Ultra-high molecular weight polyethylene (UHMW-PE) material is a thermoplastic engineering plastic with a molecular weight of more than 2.5 million. Compared with ordinary polyethylene, due to its huge molecular weight, it has the following special properties.

Excellent wear resistance: ultra-high molecular weight polyethylene material has extraordinary wear resistance. Under certain conditions, its wear resistance is 7 times that of carbon steel, 27 times that of brass, 5 times that of nylon 66 and polytetrachloroethylene, and 10 times that of hard PVC.

Excellent impact resistance: Ultra-high molecular weight polyethylene material not only has good wear resistance but also has high impact resistance. Its impact strength is greater than 140 kg/cm.

Good self-lubrication: the friction coefficient of ultra-high molecular weight polyethylene material is 0. 07 ~ 0. 11. After being used as the liner of the closing hopper under the coal bunker, it will basically not stick to the bunker and block holes.

Excellent corrosion resistance: UHMWPE material has excellent corrosion resistance. Except for a few strong oxidants, it can resist the corrosion of various chemical substances, such as acids, alkalis, salts, etc.; it will not cause electrochemical corrosion, and it is also very good for various oil stains and harsh environments (except for ambient temperatures exceeding 90°C). adaptability.

Very small water absorption: The water absorption of the ultra-high molecular weight polyethylene material used as the lining board of the lower closing hopper of the coal bunker is less than 0.1%.