How to choose waterproof zipper?

Zippers are connecting pieces that combine or separate items, and are widely used in clothing, zipper face mask, transparent zipper bag, tents, etc. Objects with zippers may be exposed to humidity or rain, etc., causing water to penetrate to the other side of the zippers. For example, luggage, couriers, other types of bags, coats, or jackets that are exposed to rain or snow or used in a humid environment (such as on a ship or near water) may have zippers. In this environment, water may penetrate the zipper and penetrate under the zipper. The emergence of waterproof zipper has greatly solved this problem. Let us look at the relevant knowledge of waterproof zipper in detail below.

Overview of waterproof zipper

Waterproof zipper is a branch of nylon zipper, which is a nylon zipper with some special treatment. Commonly used special treatment methods include: attaching PVC film, attaching TPU film, soaking in waterproofing agent, coating waterproof zipper and so on.

The main material used for waterproof zipper is PVC, and the main component is polyvinyl chloride. TPU film is a film made of TPU pellets through a special process. It inherits the excellent properties of TPU and has a wide range of applications. Because TPU overcomes many defects of PVC, TPU waterproof zipper is also superior in performance than PVC waterproof zipper. The characteristics of the coated waterproof zipper are no shedding, no whitening, no embrittlement, low temperature resistance to minus 70 degrees Celsius, environmental protection, softness, and good waterproofness.

The main purpose of the waterproof zipper is to play a waterproof function when it encounters rain. Waterproof zippers are widely used and are suitable for: cold-proof clothing, ski clothing, down jackets, sailing suits, diving suits, tents, vehicle and boat covers, raincoats, motorcycle raincoats, waterproof shoes, firefighting clothing, luggage, jackets, fishing clothing and other waterproof related products .

Precautions for purchasing waterproof zipper

The main factors to consider when choosing a waterproof zipper are: the beauty of the product and the practical effect of waterproofing. Waterproof zipper should be considered from the following aspects:

1. The waterproof zipper film does not tear.

2. The degree of smoothness. It is generally believed that the better the smoothness of the zipper, the better the quality of the waterproof zipper.

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

4. Waterproof 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 lose the meaning of the waterproof zipper.

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

6. Service life, the quality of the glue film attached to the waterproof zipper is directly related to the service life of the waterproof zipper.

In the next article, we will introduce customized zipper metal puller and metal teeth open ended zippers, welcome to browse.