TPU application in waterproof zippers - Guangyuan Ruifeng New Materials

Category: TPU (popular science, no product)

Release Time: 2020-06-24

Summary: Waterproof zippers are a type of nylon zipper that has undergone special processing. The special processing of waterproof zippers includes: PVC lamination, TPU film lamination, waterproof agent immersion, and coated waterproof zippers. Among them, TPU film laminated waterproof zippers are high-end products.

Waterproof zippers are a type of nylon zipper that has undergone special processing. The special processing of waterproof zippers includes: PVC lamination, TPU film lamination, waterproof agent immersion, and coated waterproof zippers. Among them, TPU film laminated waterproof zippers are high-end waterproof zipper products.

TPU waterproof zippers are cold-resistant to -40℃, heat-resistant to 100℃, waterproof, breathable, cold-resistant, and soft. TPU waterproof zippers have been well-received by customers both domestically and internationally. The performance of coated waterproof zippers is: non-shedding, non-whitening, non-brittle, cold-resistant to -70 degrees Celsius, environmentally friendly, soft, and good waterproofness.

PVC film waterproof zippers definitely contain azo, and the current EU requirement is below 100PPM. The main material used in PVC film waterproof zippers is PVC, the full name is Polyvinyl Chloride, the main component is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness, and ductility. The topmost layer of this film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is a back-coating adhesive. PVC can be divided into soft PVC and hard PVC. Soft PVC is generally used for floors, ceilings, and the surface layer of leather, but because soft PVC contains plasticizers (this is also the difference between soft PVC and hard PVC), it is easy to become brittle and difficult to preserve, so its range of use is not wide. Hard PVC does not contain plasticizers, so it has good flexibility, is easy to shape, is not brittle, is basically non-toxic and non-polluting, has a long preservation time, and therefore has great development and application value and a broad market. There are two reasons why PVC can be widely used: First, the unique properties of PVC (rainproof, fire-resistant, anti-static, easy to shape), and second, the characteristics of low input and high output of PVC. PVC waterproof zippers utilize the waterproof properties of PVC.

TPU is an environmentally friendly high-polymer polymer, the Chinese name is thermoplastic polyurethane, also known as a waterproof and breathable membrane. As a new type of environmentally friendly material, it represents a major breakthrough in the application of waterproof and breathable fabrics. It overcomes many shortcomings of PVC waterproof zippers. It not only possesses most of the characteristics of rubber and ordinary plastics, but also has excellent physical and chemical properties, so it is also known as the material of the future. TPU film is a film made from TPU granules through a special process. It inherits the excellent physical properties of TPU and has a very wide range of applications. Because TPU overcomes many shortcomings of PVC, TPU waterproof zippers are also superior to PVC waterproof zippers in terms of performance. Waterproof zippers can provide waterproof functionality when it rains or when they encounter water, and waterproof zippers are also used on seamless products. Waterproof zippers are divided into civilian waterproof zippers, industrial waterproof zippers, and watertight and airtight zippers. Watertight and airtight zippers have higher waterproof requirements. The waterproof performance of ordinary waterproof zippers is limited, basically aiming at simple water-repellency.

The usage of waterproof zippers is the opposite of ordinary zippers; the surface is smooth, and various gloss levels can be chosen. Therefore, the appearance and waterproof practicality of the product are factors to consider when choosing waterproof zippers. Ordinary zippers do not have a waterproof membrane on the surface; the fabric (nylon, etc.) and teeth of the zipper are visible on the front, while waterproof zippers have a membrane on the surface, and the fabric and teeth are not visible, so the surface of the waterproof zipper is smooth, which is why waterproof zippers have different finishes such as glossy, matte, and shimmering. No matter what angle you place an ordinary zipper at, it will not have a surface reflection. Ordinary zippers and high-end waterproof zippers have a world of difference when used outdoors; a good waterproof zipper can sometimes be a lifesaver in the wild.

Waterproof zippers are widely used and suitable for: cold-weather clothing, ski wear, down jackets, nautical clothing, diving suits, tents, car and boat covers, raincoats, motorcycle raincoats, waterproof shoes, fire suits, luggage, windbreakers, fishing clothing, and other waterproof-related products.

Guangan Ruifeng New Materials Co., Ltd., a TPU crosslinking agent manufacturer, we have mature production processes and can definitely meet your needs.

Keywords: TPU application in waterproof zippers - Guangyuan Ruifeng New Materials

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