The zipper is a connecting piece that relies on the continuous arrangement of the elements to merge or separate items, and is now widely used in clothing, bags, tents, etc. Here introduce：
The function of the zipper
The function of the zipper introduce.
1. Metal zippers are mostly used on jeans, jackets and backpacks.
2. Waterproof zippers are used for cold-proof clothing, ski suits, down jackets, sailing suits, diving suits, tents, car and boat covers, raincoats, motorcycle raincoats, waterproof shoes, fire suits, luggage, jackets, fishing suits and other waterproof related products.
3. Fireproof zippers are generally used for fireproof clothing, kitchen work clothes and other clothing that need fireproof requirements, and play a role in fireproofing.
Fireproof zippers are composed of chain teeth, sliders, limit codes (front and rear) or locking pieces. Among them, the chain teeth are the most critical key parts, which directly determine the side pull strength of the zipper. Generally, the zipper has two pieces of chain belt, each chain belt has a row of fastener elements, and the two rows of fastener elements are arranged in a staggered manner. The fasteners on both sides are clamped by the slider, and the fasteners on both sides can be engaged or disengaged by sliding with the help of the pull tab.