Overview of waterproof zippers
A waterproof zipper is a branch of a nylon zipper that is a specially treated nylon zipper. Commonly used special treatment methods include: PVC film, TPU film, waterproof agent immersion, coating waterproof zipper and so on.
The main material used in PVC film waterproof zippers is PVC, the main component is PVC. TPU films are films made using TPU granules and made by special processes. It inherits the excellent property 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. Coating waterproof zipper is characterized by no shedding, no white, no brittle, low temperature minus 70 degrees Celsius, environmental protection, soft, waterproof good.

Waterproof zipper use
The purpose of waterproof zipper is mainly to play a waterproof function when it comes to rainwater. Waterproof zipper sedated widely used, adapted to: cold suits, ski clothing, down jackets, marine clothing, wetsuits, tents, car cover, raincoat, motorcycle raincoat, waterproof shoes, fire jackets, bags, stormclothing, fishing clothing and other waterproof related series of supplies.

How to choose waterproof zipper
The main factors to consider in choosing a waterproof zipper are: the aesthetic sability of the product and the practical effect of waterproofing. Waterproof zippers should be considered in the following ways:
1, waterproof zipper film does not tear.
2, smoothness degree, generally think that the smoothness of the zipper, the better the quality of waterproof zipper.
3, waterproof zipper film surface flat, delicate, has a smooth feeling similar to leather, this is a high-quality waterproof zipper appearance.
4, waterproof effect: the size of the seam directly related to waterproof zipper waterproof effect is good or bad, too big obviously can not start waterproof effect, lost the meaning of waterproof zipper itself.
5, non-ferrous waterproof zipper color difference to be small, zipper cloth color and fabric difference is the color difference, film surface color and cloth surface color, color difference control within 5%.
6, the service life, waterproof zipper on the quality of the film, directly related to the life of waterproof zipper.