
The key to the production of metal zipper is its electroplating process, which will directly affect the final quality and performance of the zipper, so it should be carefully operated. After the metal zipper is formed, special chemicals need to be used for electroplating to obtain the desired zipper color. If the zipper is made of different materials, the effect after electroplating treatment will also be different. Even if it has been electroplated, but because the coating is very thin, the nature of the zipper is still not stable. Therefore, it is generally necessary to pass the oil on the chain teeth during the ironing process, which is done in order to achieve good acid and alkali corrosion resistance and oxidation resistance, and also helps to adhere to the color. The metal ring on the zipper is different from the teeth when it is treated on the outside. It is completed by hanging plating process, and then a protective film that will not fade on the outside is used to adhere to the quality of the metal ring.

The metal zipper belongs to a kind of zip lock, which refers to the zip lock whose teeth are made of copper, white copper or aluminum. Compared with nylon zippers and resin zippers, it is more firm and used for jeans, outerwear and crossbody bags. Scientific application of metal zipper: 1, when driving the metal zipper, be sure to first close the teeth on both sides, the top must be aligned, and then pinch the metal zipper head along the track gently, can not pull too hard. 2, when moving the metal zipper head, be careful not to twist clothes or cloth edges and other debris into the metal zipper, to prevent "teeth tilt", "broken belly", "teeth" and other conditions.

The metal zipper has different adaptability in different environments in the process of use, so in the process of selection, it is necessary to propose to the manufacturer that the metal zipper needs to be used in that type of product, such as its poncho, tent, boots, skating clothes, and washable jeans. Metal zipper teeth black or discolored teeth in the process of use will lead to its fabric pollution, in the use of copper alloy once its oxidation will be black, the bag should not be sealed, the use of the process needs to maintain its ventilation.

Metal zippers belong to a zipper, which refers to zippers whose teeth are made of copper, white copper or aluminum, which are more firm than nylon zippers and resin zippers, and are mostly used in jeans, coats and crossbody bags. Metal zipper selection, cloth belt: because the raw material of metal zipper cloth belt is polyester silk, sewing thread, core thread and other different kinds of silk, its weight, color are different, so it is easy to produce color on the same zipper, then choose the color symmetry when choosing the cloth belt, no turbidity point, the cloth made of different fabrics are soft to touch.

Nylon zipper in the process of use is very simple, the product sealing performance is good and cheap, such products in our daily life is more and more common, nylon zipper in shoes and hats, bags, travel bags and clothing commonly used more. Nylon zipper needs to be aligned in the process of pulling, can not be too urgent, the product load can not be too full, do not live wet and cold, pay attention to straighten the chain on both sides before pulling, especially those long zippers on the clothes, need to align the rice teeth on both sides to drive.

Nylon zippers can be used in a variety of places, but in general, they still like to be used in sportswear, shoes, quilts, bags, tents. Common pullers are sprayed, and sometimes electroplated. The material of nylon zipper is usually polyester, the cost is relatively low, and it is a kind of zipper that the market likes very much at this stage.

When pulling the metal zipper, be sure to first put the teeth on both sides close, the top must be aligned, and then pinch the metal zipper head along the rail gently pull, not too hard pull. When moving the metal zipper head, be careful not to twist clothes or cloth edges and other debris into the metal zipper, so as not to cause the phenomenon of "tooth tilt", "broken belly" and "tooth removal". If the metal zipper is astringent and not easy to pull, do not pull, you can apply some wax or soap on the metal zipper to pull it.

To judge the quality of the zipper, you can pay attention to the following points: 1. The smoothness of the zipper: a good zipper should be able to pull smoothly, without congestion or friction. If the zipper encounters resistance when pulling or makes an abnormal sound, there may be a problem with the hardware of the zipper. 2. The bite degree of the zipper: A good zipper should be able to bite accurately when fully closed, without obvious gaps or misalignment. If there is a gap or misalignment when the zipper is closed, it may cause the zipper to be unstable or easily damaged.

Resin zippers are a common type of zipper with the following advantages: 1. Durability: Resin zippers are generally more durable than metal zippers because they are less prone to rust or corrosion and are more resistant to environmental conditions. 2. Lightweight: Resin zippers are generally lighter than metal zippers, so they can be moved and operated more easily. 3. Antistatic: Resin zippers have antistatic properties, which can prevent static electricity when wearing.

1, the flatness of the zipper, the test method of the flatness of the zipper is: take a finished zipper, flat on a flat platform, so that it is in a natural state, and then move back and forth with your fingers along the edge of the chain teeth on both sides, gradually close to the bend with a ruler, and then measure the distance between the chain teeth and the ruler with another ruler, this distance is the flatness.