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duct polyurethane, polyurethane composite duct ventilation pipe system is the most ideal renewal of products, represents the mainstream direction of the ventilation pipe industry development, USES incombustible do air duct body thin aluminum plate, sandwich layer adopts & quot; Flame retardant rigid polyurethane foam plastics & quot; Do insulation, satisfy the GB50045 - 95 of the code for fire protection design of tall buildings 'and' GB50243 - 2002 'code for ventilation and air conditioning engineering construction quality acceptance of duct is burning material, its thermal insulation material is flame retardant B1 level of fire protection requirements, can be used in a class or the normal ventilation in which of the following construction, short time can be used as a smoke, light and beautiful, energy conservation, environmental protection, thermal insulation of sound insulation, convenient installation, Gao Baowen, high strength, corrosion resistance, no maintenance, long service life, low coefficient of thermal conductivity of 0. 0197w/( m。 K) , the heat preservation effect is two of the traditional glass wool insulation.
duct polyurethane, polyurethane composite duct ventilation pipe system is the most ideal renewal of products, represents the mainstream direction of the ventilation pipe industry development, and has high tensile, Zhang Liqiang, tear strength, wear resistance, resistance to flex, penetration resistance, good low temperature resistance, hydrolysis resistance and other properties, and have good resilience and long service life characteristics, applicable to industrial and mining, agriculture and water conservancy, civil engineering, food, petroleum, chemical industry, sanitary industry vacuum suction powder, granules, conveying water, oil, chemical material, food, etc. , 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 fiber, when the protection tube. In agricultural irrigation, industrial and mining, oil depot, pumping sand, sand blasting, food, medicine and indoor gas emissions, powder, dust absorption, and other fields has a wide range of USES.
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