In the zipper market, it can be generally divided into metal zippers made of gold, copper, aluminum or silver and plastic zippers, in these materials, plastic zippers are very easy to card, more easily broken, but nylon zippers are more flexible, zippers can "self-repair", that is to say, the zipper slips over the problem after the polyester will be reconnected.
The metal zipper teeth are made of copper wire or aluminum wire through the tooth arrangement machine, the resin zipper teeth are made of polyester plastic rice through dye matching and through the injection molding machine, and the nylon zipper teeth are made of nylon monofilament by heating the die wrapped around the center line. Compared with metal zippers and resin zippers, nylon zippers have the characteristics of low cost, large output and high popularity.
Features of nylon zipper:
1, nylon zipper can be used in all kinds of occasions, but generally prefer to be used in sportswear, shoes, bedding, bags, tents.
2, the commonly used pulling head is painted, and sometimes electroplated.
3, nylon zipper is born and invented in the serious lack of metal materials, such materials are mainly polyester based materials, the cost is relatively low, but also the current market more like a zipper. The chain teeth of the zipper are spiral, which is also a special kind of molding in the zipper series, so there is no single tooth displacement strength item in its physical indicators.
To sum up, the nylon zipper material is hard, the bite of the chain teeth is around, and the flexibility is strong; The color of the cloth belt and the chain teeth is relatively coordinated, and the tone is elegant. The most prominent feature of nylon zippers is lightweight, thin chain teeth, and can be wound. At present, nylon zippers gold-plated and silver-plated have been widely used.