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  • TPU waterproof breathable membrane introduction and classification

      TPU is the abbreviation of "Thermoplastic Urethane". Its Chinese name is thermoplastic polyurethane elastomer. TPU is made by diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI), macromolecular polyol and chain extender. Polymer Materials. Its molecular structure is a rigid block obtained by the reaction of diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI) and a chain extender, as well as diphenylmethane diisocyanate (MDI), toluene diisocyanate (TDI) and macromolecules. The flexible segments obtained by the polyol reaction are alternately constructed. TPU has excellent high tension, high tensile strength, toughness and aging resistance. It is a mature environmentally friendly material. TPU is an environmentally friendly polymer. The Chinese name is thermoplastic polyurethane, also known as waterproof and moisture-permeable membrane. It is a major breakthrough in the application of new environmentally friendly materials for waterproof and breathable fabrics. It overcomes many defects of PVC and PU leather. It not only has most of the characteristics of rubber and ordinary plastics, but also has excellent comprehensive physical and chemical properties, so it is also called the material of the future. TPU film is a film made of TPU pellets through a special process. It inherits the excellent physical properties of TPU and has a wide range of applications. TPU has been widely used in medical and health, electronic appliances, industry and sports. In the 20th century in Europe and the United States, there are mature TPU waterproof and breathable clothing, special film for shoe material fitting, special film for silicone chest pads, and TPU elastic bands. It has characteristics such as high strength, good toughness, abrasion resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and other characteristics unmatched by other plastic materials. At the same time, it has high waterproof and moisture permeability, wind resistance, cold resistance, antibacterial, mildew resistance, Many excellent features such as warmth, UV resistance and energy release.
      TPU waterproof and breathable film (high, medium, low moisture permeability) Application: Applicable to clothing, shoe materials Fabric specifications: Width: 54 "58" 60 "Thickness: Thickness 0.015mm-0.80mm, color is transparent, translucent, fog Face, milky white, complexion, black. Type: polyether, polycaprolactone Advantages: high moisture permeability, good feel, high water pressure resistance, good processing performance, washable and dry cleaning TPU waterproof breathable membrane with elastomer as the main material, its elasticity Good, high strength, waterproof properties with physical properties unmatched by other materials (can withstand water pressure above 10000mm, the thinnest can reach 0.012mm); TPU film has excellent moisture permeability in addition to high water resistance ( Human sweat can penetrate freely between thin films)
      Uses: Mainly suitable for all kinds of bonding on clothing fabrics: windbreaker, raincoat, shoes, hats, gloves, cold jackets, ski gloves, morning bags, gift bags, mobile phone wipes, leisure goods, sports goods, military defense and medical equipment Are used.
    1, TPU transparent film,
    Uses: shoes, bags, handbags, clothing, medical, military, toys,
    Thickness: 0.02-0.2MM
    Product advantages: high strength, high tear strength, high oil resistance, low compression deformation, high elasticity and high softness.
    2, TPU waterproof breathable membrane
    Color: matte, milky white, complexion, black.
    Thickness: 0.02 --- 0.2MM
    Uses: Applicable to clothing and shoe materials.
    Advantages: high water pressure resistance, high moisture permeability, good feel, good processing performance, and resistance to washing and dry cleaning.
    3, hot melt adhesive film
    Uses: shoe materials, clothing, waterproof strips, waterproof zippers, trademarks, computer woven labels, embroidery.
    Advantages: It is an adhesive material, used to bond two same or different materials, and can be laminated with various fabrics and plastics (can be laminated by hot pressing, melting point 80 ° -120 °)
    Features: No glue is needed when bonding, no solvent, environmental protection and non-toxic, washable, dry cleaning, soft to the touch
    4, high and low temperature film
    Uses: water-filled bags, inflatable bags, foam composite products.
    Advantages: high wear resistance, high tear strength, high weather resistance, resistance to bacterial invasion, and resistance to hydrolysis.
  • Waterproof and breathable membrane is widely used in many fields

    Nowadays in many industries, waterproof and breathable membranes are required, for example: waterproofing of the building surface, waterproofing and moisture-proofing of the underground. All in all, there are better results in many different categories. Under normal circumstances, you can develop a stronger life. By using the breathable membrane, it can effectively block water and salt water, and can prevent the parts from being corrupted. The use of various machinery and equipment can also be better protected, extend the service life of machinery and equipment, allow sensitive components to be safely protected, and avoid differential conditions such as corruption.
    The use of breathable membranes protects components from weather. In water and other liquids, soaking will not cause any decay, but it also has better air permeability, which prevents water vapor from appearing on the inner wall and has a good protection effect. For the protection of more sensitive components, it will also promote stronger results, which will greatly extend the service life of machines and equipment. In the application process, the anti-aging results are also better, so the application life will be longer.
    It is precisely because of the many advantages of breathable membranes that it has a wide range of applications. However, in the daily use process, in order to make the relevant performance better, you should clear the relevant precautions and master the correct operation process. At present, there are relatively many waterproof and breathable membranes sold in the entire market. The corresponding quality of different brands of breathable membranes is often different. With so many products, for people, when choosing, It should be clear how to distinguish between true and false. Only comprehensive consideration can bring out the effectiveness better