The Secret of Nylon Zipper You Don't Know

The zipper is one of the ten greatest inventions in human life in the last century, and one of the most endangered accessories in modern life. Without it, you may see troubles and troubles everywhere. Today we will introduce you to nylon zipper.

Origin and development of zipper

The zipper appeared before the last century. At that time, in some parts of central Europe, people tried to replace buttons and bows using belts, hooks and loops, so experiments began to develop zippers.

The origin of the name "zipper" was in 1926. A novelist named Franco said at a lunch meeting of the business community that promoted zipper samples: "Pull it once and it will open! Pull it again and it will close. That's it!" explains the features of the zipper very succinctly.

The zipper was first used in military uniforms. In World War I, the U.S. Army first ordered large quantities of zippers to be used on soldiers' clothing. However, the promotion of zippers in the private sector was relatively late, and it was not accepted by women until 1930 to replace the buttons of clothing.

Types of zippers

There are three kinds of zippers: metal zipper, nylon zipper and plastic zipper. The material of metal zipper (tooth buckle) is copper and aluminum, the material of plastic zipper is polyoxymethylene, and the material of nylon zipper is nylon 6 material. The nylon 6 zipper used in the diving suit must be pasted with a special PVC film, and the nylon zipper used in the aviation suit must be made of high temperature resistant special modified nylon 6 material.

The nylon zipper is made of nylon 6 monofilament, which is processed by heating and compression molding. Why choose nylon 6 material? Because nylon 6 material has high strength, wear resistance, hard material, strong flexibility, and smooth, bright color, light texture, and the largest amount of use.

Nylon zipper can be divided into single closed, double closed tail, single open tail, double open tail according to the function, according to the specifications 3#, 4#, 5#, 8#, 10# from small to large. Don't look at the small nylon zipper, but there are 18 parts such as cloth belts, tendons, and chain teeth! The quality of a zipper first depends on the quality of the material and processing technology.

Application of nylon zippers

Although the price of nylon zipper is cheap, it is the most widely used, in clothes, wallets, suitcases, to diving suits and aviation suits. In terms of clothing, children's clothing zippers generally have more injection molding processing, because compared with metal buckles, it is not easy to scratch the skin. Adult clothing is determined according to its style and grade.

China is the country with the largest zipper production and the largest consumption in the world. By the end of 2017, China's zipper production exceeded 10 billion meters, of which 2/3 were nylon zippers. Nylon 6 chips used for nylon zipper spinning need one year. 6-10 million tons.

Kind tips:

The biggest trouble encountered in the use of nylon zippers is that they cannot be pulled. At this time, paraffin and soap are applied to the surface of the tooth buckle, which is as smooth as before. When washing clothes, the zipper should be closed and washed, but the key is to buy it. Choose nylon zippers with good straightness and high strength that meet national standards.

Conclusion

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