Drawbar round sling consists of the infinite circling tows arranged in parallel and the special wear-resistant sleeve. If the annular sling is seriously overloaded due to improper operation or if the bearing core is partially damaged due to long-term use, the jacket will first give the warning of fracture to avoid accidents. The fracture of the jacket is the scrapping standard, making the security inspection of the sling clear at a glance.
The high-strength Drawbar round sling is made of imported ultra-high molecular weight polyethylene, and its fiber strength is 3-4 times that of dacron high-strength filament, belonging to high modulus and low extension type with the specific gravity of 0.97g/cm (lighter than water). The resistances to ultraviolet light, impact, acid, corrosion and abrasion of the fiber are much better than other synthetic fibers. And it has the characters of small volume, light weight, softness, safety, small elongation, resistance to ultraviolet radiation, abrasion resistance, impact resistance, corrosion resistance, non-conductivity, anti-static electricity and long service life. Besides, it has a good low temperature performance, can be used in the -125℃ - 80℃ environment, with the weight and diameter as 1/4 and 1/2 of the common sling, and the performance and strength of steel wire rope.
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