Magic Nylon Waterproof Zipper

The zipper is a convenient mechanism in clothing, shoes, bags, and other products.

A waterproof zipper is a kind of nylon zipper, which is specially treated. Special treatment of waterproof zipper includes: pasting PVC, pasting TPU film, soaking in waterproof agent, and coating waterproof zipper. The waterproof zipper pasted with TPU film is a high-end product of waterproof zipper.

TPU waterproof zipper was born in the 1990s. Because of its cold resistance of - 40 ° C, high-temperature resistance of 100 ° C, waterproof, breathable, low-temperature resistance, and softness, the TPU waterproof zipper has been praised by customers at home and abroad. The coating waterproof zipper has the following properties: no falling off, no whitening, no embrittlement, low-temperature resistance - 70 ° C, environmental protection, softness, and good waterproof.

There are two reasons why PVC can be widely used: one is the unique properties of PVC (rainproof, fire-resistant, anti-static, and easy to form), and the other is the characteristics of low input and high output PVC. PVC waterproof zipper officially utilizes the waterproof characteristics of PVC.

TPU is a high environmental protection molecular polymer, Chinese name is thermoplastic polyurethane, also known as waterproof and moisture permeable membrane. It is a breakthrough in the application of new environmentally friendly materials to waterproof and breathable fabrics. It overcomes many defects of PVC waterproof zippers. It not only has most of the characteristics of rubber and ordinary plastics but also has excellent physical and chemical properties, so it is also called the future material. TPU film is made of TPU pellets through a special process. It inherits the excellent physical properties of TPU and has a wide range of applications. Because TPU overcomes many defects of PVC, TPU waterproof zipper is also superior to PVC waterproof zipper in performance. Waterproof zippers can play a waterproof role when it rains or encounters rain. Waterproof zippers are also used in seamless products.

Nylon waterproof zipper makes waterproof zipper stable and durable.

Waterproof zippers are widely used in waterproof-related products such as cold suits, ski suits, down jackets, nautical suits, diving suits, tents, car and boat covers, raincoats, motorcycle raincoats, waterproof shoes, fire suits, luggage, emergency jackets, fishing suits and so on. These related products are completely connected with zipper hooks! So every part is very important!

Next, let's learn more about what is a good nylon waterproof zipper:

Waterproof zipper film does not tear.

Smoothness: it is generally believed that the better the smoothness of the zipper, the better the quality of the waterproof zipper. This is not the case. There are certain index requirements for the smoothness of the waterproof zipper. All products that meet this index requirement are high-quality products.

The surface of the waterproof zipper film is smooth and delicate, with a smooth feeling similar to leather, which is the appearance of a high-quality waterproof zipper.

The color difference of colored waterproof zippers should be small. The difference between the color of zipper tape and the fabric is the color difference. The color difference between the film surface color and the tape surface color should be controlled by 5%.

In 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 the color shift between the zipper and clothing will occur will directly affect the quality of waterproof zipper products.

Waterproof effect: the size of the middle seam directly affects the waterproof effect of the waterproof zipper. If it is too large, it will not achieve the waterproof effect and lose the meaning of the waterproof zipper itself.

Service life: the quality of the adhesive film bonded to the waterproof zipper is directly related to the service life of the waterproof zipper.

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