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What is a waterproof zipper? What is a waterproof zipper?
Release time:
2023-09-16 13:59
Waterproof zippers can function as waterproof when it rains or encounters rainwater. Waterproof zippers are also used on seamless products. Waterproof zippers are divided into civilian waterproof zippers, industrial waterproof zippers, watertight and airtight zippers. Watertightness and airtightness have relatively high requirements for waterproofing. Waterproof zipper is a type of nylon zipper, which is a specially treated nylon zipper. Special treatments for waterproof zippers include: pasting PVC, pasting TPU film, soaking with waterproofing agent, and coating waterproof zippers.
The most widely used one now is PVC film waterproof zipper. The main material it uses is PVC, and its main ingredient is polyvinyl chloride. Other ingredients are added to enhance its heat resistance, toughness, and ductility. The top layer of this film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coating adhesive. PVC can be divided into soft PVC and hard PVC. Soft PVC is generally used for floors, ceilings and the surface of leather. However, because soft PVC contains softeners (this is also the difference between soft PVC and hard PVC), it easily becomes brittle and difficult to preserve, so its range of use is not widespread. Hard PVC does not contain softeners, so it has good flexibility, is easy to form, is not brittle, is basically non-toxic and pollution-free, and has a long storage time. Therefore, it has great development and application value and a broad market. There are two reasons why PVC can be widely used: one is the unique properties of PVC (rainproof, fire-resistant, antistatic, easy to form); the other is the characteristics of low investment and high output of PVC. PVC waterproof zippers take advantage of the waterproof properties of PVC.
Waterproof zippers are widely used and are suitable for: cold-proof clothing, ski clothing, down jackets, sailing suits, diving suits, tents, car and boat covers, raincoats, motorcycle raincoats, waterproof shoes, firefighting suits, bags, jackets, fishing suits and other waterproof-related products .
Waterproof zippers should be selected from the following aspects:
ØThe waterproof zipper film will not tear. No matter it is at low temperature or repeated washing, the waterproof film is not easy to fall off or tear, so that the waterproof effect can be guaranteed for a long time.
ØSmoothness, it needs to be smooth to use, which also greatly reduces the pull resistance and wear resistance of the waterproof zipper.
ØThe surface of the waterproof zipper film is smooth and delicate, with a smooth leather-like feel. This is the appearance of a high-quality waterproof zipper.
ØThe color difference of colored waterproof zippers should be small. The difference between the color of the zipper tape and the fabric is the color difference. The color difference between the color of the film surface and the color of the tape surface should be controlled within 5%.
ØIn addition to color difference, pay attention to the color fastness of waterproof zippers. Whether the color fastness of the zipper reaches the standard level and whether there will be color migration between the zipper and the clothing will directly affect the quality of the waterproof zipper product.
ØWaterproof zippers need to be environmentally friendly and pass the OEKO-TEX100 standard.
ØWaterproof effect, the size of the center seam is directly related to the waterproof effect of the waterproof zipper. If it is too large, it will obviously not have the waterproof effect, and the meaning of the waterproof zipper itself will be lost.
ØService life, the quality of the film attached to the waterproof zipper is directly related to the service life of the waterproof zipper.
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Tel: +86 18620588378
Email: kddzipper01@gmail.com
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Haizhu District, Guangzhou City,China
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