Polyurethane Knowledge

  • WHY ARE THERE BUBBLES IN THE PRODUCTION OF POLYURETHANE INTEGRAL SKIN FOAM PRODUCTS?

    In the production process of PU self-skinning, there are some problems such as: pinholes, air bubbles, dry scars, less material, uneven surface, poor fracture, color difference, soft, hard, release agent and paint are not sprayed well, etc. The occurrence of the phenomenon, let’s talk about the p...
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  • OPERATION MATTERS AND PURCHASING SKILLS OF POLYURETHANE HIGH AND LOW PRESSURE FOAMING MACHINE

    Polyurethane foaming machine is a special equipment for infusion and foaming of polyurethane foam. As long as the polyurethane component raw materials (isocyanate component and polyether polyol component) performance indicators meet the formula requirements. Uniform and qualified foam products ca...
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  • DO YOU REALLY UNDERSTAND THE EARPLUGS THAT CANBE FOUND EVERYWHERE?

    With modern people’s busy life and high work pressure, good sleep quality is more and more critical. Many people are deeply affected by noise pollution due to the problem of their living environment, and it is difficult to ensure the quality of sleep, which will affect their daily work and life o...
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  • APPLICATION STATUS AND PROSPECT OF FOAMING TECHNOLOGY IN AUTOMOBILE WIRING HARNESS

    In recent years, China’s automobile industry has developed rapidly, and polyurethane, one of the polymer materials, is used more and more widely in auto parts. In automotive wiring harness products, the main function of the wire harness guide groove is to ensure that the wire harness is safely p...
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  • WHAT IS POLYURETHANE INSULATION BOARD?

    Features of polyurethane insulation board: 1. There are many specifications and varieties, the range of bulk density: (40-60kg/m3); the range of length: (0.5m-4m); the range of width: (0.5m-1.2m); the range of thickness: (20mm-200mm). 2. The cutting precision is high, and the thickness error is ±...
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  • WHICH IS BETTER, RUBBER SOLE OR PU SOLE?

    With the improvement of everyone’s living standards, everyone has begun to pursue a high-quality life in all aspects. It is also in the choice of shoes. The experience brought by different shoes is also different. The common ones are rubber soles and polyurethane shoes. Difference: Rubber soles ...
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  • Development Status Of Polyurethane Industry In 2022

    The polyurethane industry originated in Germany and has developed rapidly in Europe, America and Japan for more than 50 years, and has become the fastest growing industry in the chemical industry. In the 1970s, the global polyurethane products totaled 1.1 million tons, reached 10 million tons in ...
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  • 2022 Four Factors Drive The Future Development Of Polyurethane

    1. Policy promotion. A series of policies and regulations on building energy conservation have been promulgated in China. The energy conservation and emission reduction of construction projects is the key investment direction of the government, and the building energy conservation policy has beco...
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  • The Difference Between MDI And TDI

    Both TDI and MDI are a kind of raw material in polyurethane production, and they can replace each other to a certain extent, but there are no small differences between TDI and MDI in terms of structure, performance and subdivision use. 1. The isocyanate content of TDI is higher than that of MDI, ...
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  • Have You Encountered The Following Problems When Sparying Polyurethane?

    Have You Encountered The Following Problems When Sparying Polyurethane?

    Polyurethane spraying is high pressure polyurethane spraying equipment. Because the material of the high-pressure spray equipment is slammed into a small mixing chamber and spun vigorously at high speed, mixing is very good. The material moving at high speed forms fine mist droplets at the nozzle...
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  • The Difference Between TPU And Rubber

    TPU (Thermoplastic polyurethanes) is a material between rubber and plastic. The material is oil and water resistant and has excellent load-carrying and impact resistance. TPU is an environmentally friendly non-toxic polymer material. Tpu material has the advantages of high elasticity of rubber an...
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  • Have You Encountered The Following Problems In The Process Of Polyurethane Foaming?

    Polyurethane foam is a high molecular polymer. A product made from polyurethane and polyether that has been expertly mixed. So far, there are two types of flexible foam and rigid foam on the market. Among them, the rigid foam is a closed-cell structure, while the flexible foam is an open-cell str...
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