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high temperature vacuum tube in the woodworking industry, textile industry, cleaning areas and industrial cleaning is widely used, can transport air, dust, sand, wood chips or broken wood, etc. , used widely, abrasion resistance, tear resistance, low temperature resistance and other properties, can completely replace rubber vacuum tube, PVC vacuum tubes and other products, applied to have the wear of solid, such as dust, powder, fiber, chip, and grain, gas and liquid environment, for dust removal and aspirated plant, industrial vacuum cleaners, paper and textile fibers, when protecting tube, is the future of woodworking machinery vacuum tube, has the incomparable advantage, let's do to its main wear resistance under analysis.
high temperature vacuum tube with solid elastic copper coated steel wire in the tube wall cladding, scalable. Wall: special polyether type - Polyurethane (pu), more than 10 times higher than the general wear-resisting PVC hose and about 0. 4 mm thickness; Temperature range: about - 40 ℃ to + 125 ℃, the short time to + 150 ℃. Material is very smooth, antibacterial and hydrolysis resistance, good chemical resistance, food-grade: FDA 21 CFR 177. 2600年和178年。 2010,EC guideline 2002/72/EC( 原90/128 / EEC) , approximately equal to the diameter and bending radius can be static, On the basis of BGR - 132年,原古银1/200) Spiral wire grounding.
high temperature vacuum tube materials are mainly polyurethane, polyurethane is Chinese name, its molecular structure containing & ndash; NHCOO— Unit of polymer, the element is composed of isocyanate and hydroxyl reaction, reaction is as follows: & ndash; N = C = O + HOˉ→ — NH - COOˉ。 Its physical and chemical properties between rubber and plastic, has excellent properties. Check wear-resisting property is one of the main indexes of Taber abrasion value, its Taber abrasion value is 0. 35 - 0. 5 mg, is the smallest plastic, that is unmatched by other plastic, the root of this is that he can maintain good abrasion resistance. In addition to better improve its wear resistance properties, add special lubricants in processing, in order to better reduce the friction between the molecules, the use of lubricant make reduce the friction between the molecules get bigger, so as to further improve the wear-resisting degree, the characteristics of the product itself and the special processing is the root of the vacuum tube has wear-resisting.
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