Zipper is one of the most important accessories of the backpack, which can directly affect the service life of the backpack. Backpack zippers can be divided into different types according to different properties. According to material classification, they can be divided into three types: resin zipper, nylon zipper and metal zipper. Next, I will tell you about the characteristics of backpack zippers made of different materials. Let's get to know.
1. Resin zipper
Features: resin zipper is tough, wear-resistant, corrosion-resistant, colorful, and applicable to a wide range of temperatures. In addition, because of the large area of the upper and lower planes of the chain teeth, it is conducive to inlaying diamonds or gemstones on the plane, making the zipper more beautiful and expensive, and doubling its value, and becoming a practical craft decoration.
Disadvantages: Due to the large particle size of the chain teeth and the rough and astringent feeling, the light and smooth degree of the zipper is slightly worse than other types of zippers of the same model (nylon zipper, metal zipper).
2. Nylon zipper
Features: nylon zipper is soft, smooth and colorful. The most prominent features are lightweight, thin chain teeth and flexible. Among them, waterproof zippers are also a branch of nylon zippers. They are nylon zippers with some special treatment: PVC film, TPU film, waterproof agent immersion, coating waterproof zippers, etc.
Disadvantages: polyester monofilament is easy to age, and its application range for high and low temperature is narrow.
3. Metal zipper
Features: durable, soft, elegant and solemn.
Disadvantages: The chain teeth are easier to fall off and shift than other types of zippers. Due to the high price of raw materials, the chain teeth are more expensive than other types of zippers. Among them, the strength of aluminum zippers is a little worse than that of copper zippers of the same model. However, after surface treatment, it has copper imitation and multi-color decoration. Because the price is lower than copper, its sales price has a certain competitive advantage.
The quality of the zipper of the backpack is not only related to the quality of the backpack, but also the matching of the appropriate zipper and the backpack style has the finishing effect. The small zipper has a great effect. Therefore, whether you are shopping or customizing your backpack, you should pay attention not to ignore the zipper selection