The 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, water immersion, waterproof zipper and so on.
The main material used for PVC film waterproof zipper is PVC, the main component is polyvinyl chloride. The TPU film is a film made by a special process using TPU pellets. It inherits the excellent physical properties of TPU and has a wide range of applications. Because TPU overcomes many of the defects of PVC, TPU waterproof zipper is also superior to PVC waterproof zipper in performance. The waterproof zipper of the coating is characterized by no detachment, no whitishness, no embrittlement, low temperature resistance of minus 70 degrees Celsius, environmental protection, softness and water repellency.
The purpose of the waterproof zipper is to provide a waterproof function when it hits rain. Waterproof zipper is widely used, suitable for: winter clothes, ski clothes, down jackets, sailing suits, diving suits, tents, boat covers, raincoats, motorcycle raincoats, waterproof shoes, fire suits, luggage, jackets, fishing suits, etc. .
Waterproof zipper selection
The main factors to consider when choosing a waterproof zipper are: the aesthetics of the product and the practical effect of waterproofing. Waterproof zippers 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 zipper smoothness, the better the quality of the waterproof zipper zipper.
3, waterproof zipper film surface is smooth, delicate, with a smooth feeling similar to leather, this is the appearance of high-quality waterproof zipper.
4, waterproof effect: the size of the seam directly related to the waterproof zipper waterproof effect is good, too big is obviously not waterproof effect, lost the meaning of the waterproof zipper itself.
5, the color waterproof zipper color difference is small, the difference between the color and the fabric of the zipper tape is the color difference, the color of the film surface and the color of the cloth surface, the color difference is controlled within 5%.
6, the service life, the quality of the film attached to the waterproof zipper is directly related to the service life of the waterproof zipper.