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Polyurethane, commonly a new composite material between plastic and rubber, is formed after chemical reaction of polymer polyalcohol and isocyanate through chain extension and cross linkage. It is divided into polyether and polyester according to its backbone chain.
Item name | PU sheet | Result | Hardness | 87-90A | 2.10~2.30 | Thickness | 1~100mm | 15.0 | Standard size | 300*300mm, 500*500mm, 1000*1000mm,
1000*3000mm, 1000*2000mm, 1220*4000mm | 150 | Density | 1.15---1.2 g/cm3 | 10 | Color | nature, gloden yellow color, red, yellow |
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The use of polyurethane: With the continuous development and improvement of polyurethane, the application of polyurethane has penetrated into the aspects of our lives. Such as: automobile production, mining and mineral processing, port, food and food processing, medical and health, construction machinery, electronic equipment, construction, furniture, textile, clothing and footwear industry, synthetic leather, water conservancy, petrochemical, printing and packaging, sports and fitness and other industries have a large number of applications, with the progress of technology, polyurethane gradually in our aerospace, national defense industry has been a good application.
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