Waterproof zippers can be waterproof in rain or rain, waterproof zippers are also used for seamless products. Waterproof zippers are divided into civil waterproof zippers, industrial waterproof zippers, watertight, airtight zippers. Watertight, airtight waterproof requirements are relatively high. Waterproof zipper is a nylon zipper, is a special treatment of nylon zipper. Waterproof zipper special treatment includes: paste PVC, paste TPU film, waterproof agent immersion, coating waterproof zipper.
Waterproof zipper is widely used in: cold clothing, ski clothing, down jacket, sailing clothing, diving suit, tent, vehicle and boat cover, raincoat, motorcycle raincoat, waterproof shoes, fire clothing, bags, emergency clothing, fishing clothing and other waterproof related series of products.
Now the most widely used is PVC film waterproof zipper, it uses the main material is PVC, the main ingredient is PVC, in addition to add other ingredients to enhance its heat resistance, toughness, ductility. The top layer of the film surface is lacquer, the main component in the middle is PVC, and the bottom layer is backed with adhesive. PVC can be divided into soft PVC and hard PVC. Soft PVC is generally used for floor, ceiling and leather surface, but because soft PVC contains softener (this is also the difference between soft PVC and hard PVC), easy to become brittle, not easy to save, so its use is not widespread. Hard PVC does not contain softener, so good flexibility, not easy to crisp, basic non-toxic pollution-free, long preservation time, so it has great development and application value, broad market. PVC can be widely used, there are two reasons: one is the unique performance of PVC (rain proof, fire-resistant, anti-static, easy to shape), the other is the characteristics of low input and high yield OF PVC. PVC waterproof zipper is the use of PVC waterproof characteristics.
