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  • Waterproof and breathable membrane: manufacturers have requirements for product quality


    As a manufacturer of waterproof and breathable membranes, when every product is produced, the factory must let the quality supervision department carry out a careful inspection of the product. If any product is found to be unqualified, it must not pass. As a manufacturer of waterproof and breathable membranes, the quality requirements for products are relatively high.


    Waterproof and breathable membrane is used as a polymer technical material. If manufacturers are to do this, then their technology must pass, otherwise these products can not achieve the effect of waterproof and breathable, then the factory's sign will smash. Therefore, the factory must strive for excellence in each product to ensure the quality of the product.
    In recent years, with the application of polymer materials technology, our lives have been greatly benefited. Because of these materials, our life is more convenient, faster and safer. Therefore, the development of science and technology will inevitably change the world and make the world better.
    Now Waterproof and breathable membrane is not only used in building materials, but also has been greatly developed and used in the automotive industry. Therefore, while the waterproof and breathable film is developing and the demand is constantly expanding, manufacturers are also required to strictly control the quality, so as to make the product better. Product quality is also a concern for many businesses. After all, this material is a waterproof and breathable membrane material. Since it is a waterproof material, it must be waterproof first, otherwise the material will not achieve the consumer's effect, and the business will suffer. Therefore, the treatment of this material, whether it is a manufacturing business or a sales business, naturally requires a higher treatment of this material.
  • 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
  • Historical origins of canvas


      Some people think that canvas and sailing should appear at the same time, but this is not the case. The history of canvas is extremely long, and canvas was widely used as early as the Roman times. Because canvas is woven with multiple strands, the texture is firm, wear-resistant, dense and thick. At that time, the ancient Romans used it to make wristbands for the training of eagles. The densely woven thick canvas also has good water resistance, and was eventually used by ancient Romans to make march tents. Due to the strong and wear-resistant characteristics of canvas, the first modern parachute was made of canvas, and the first modern soccer ball was made of rubber core canvas. The world's first oil painting appeared in the 15th century. The canvas is also thick Wear-resistant canvas. At the beginning of the 16th century, canvas was brought by the merchants to the American continent. In the early days of immigration to the Americas on the European continent, canvas bags became the favorite of people who yearned for freedom and adventurous spirit. Later, the world's first   jeans were also sewn by canvas. Then, the birth of the first pair of canvas shoes in the world marked the development of canvas to a new era, and canvas began to be closer to people's lives. In China in the 1960s and 1970s, military green canvas schoolbags became a fashion item for everyone. With the advancement of science and technology, textile technology has greatly improved, the types of canvas have gradually increased, and their applications have become more widespread. In the 21st century, we have entered the era of environmental protection. Canvas is more recognized as an environmentally friendly fabric. Although the canvas has not shown enough and shows off, it is more casual and low-key. The new canvas concept will carry a new Fashion concept, step into the fashion field.

  • Maintenance method of canvas

    1. After cleaning, ventilate in a cool and dry place naturally. Do not expose it to the sun or bake in a high temperature to prevent degumming or degumming and accelerate aging.
    2. Non-professional labor rubber shoes should not be in contact with acids, alkalis, salts and other chemicals to prevent corrosion and degumming.
    3. The force should be gentle and even when cleaning. Do not brush vigorously to avoid disconnection or brush off the pattern and decorative parts of the shoe body.
    4. Avoid contact with sharp objects to prevent scratches.
    5, for white canvas (such as cloth shoes), do not contact with carbon ink and other difficult to clean items. After cleaning this color of canvas, you can apply toothpaste or white chalk powder. Pay attention to uniformity, and then dry it to prevent discoloration. It is best and most convenient to find two white clean tissue papers covered with it, and torn off after drying to prevent discoloration (otherwise the white cloth will turn yellow). This method has multiple scientific basis.
    6. If there are any minor problems such as broken wires, dropped wires, or loose decorative parts, they should be repaired in time. To extend its life.
    7. Canvas shoes should be cleaned regularly to prevent mold and odor. But do n’t use a washing machine. Some people think that canvas is resistant to folding, and the price is low, too lazy to wash by hand. As everyone knows, the decorative cloth pieces of the shoe body are different, and it is easy to fall off and fade when washed in a washing machine.
  • Waterproof canvas application

    The surface is specially treated for anti-slip effect. It is an internationally popular waterproof cloth with a very wide width of 2 meters. It can reduce the stitching and improve the quality when processing the finished product. It can be heat-sealed and spliced to avoid the worry of water leakage in the sewing pinhole . And according to user needs to produce different functions, different colors, different thickness products.
    五 Use of PVC five-proof canvas:
    1. Cargo ponchos available for cars, trains, ships
    2. It can be used for covering the storage of the open-air warehouses at the station terminal and seaport airport.
    3. Temporary granaries and various crops can be set up for outdoor cover
    4. PVC three-proof tarpaulin can be used as materials for building temporary sheds and temporary warehouses on various construction sites such as construction sites and power construction sites.
    5. It can be processed into camping tents and various machinery and equipment outer sheaths.