How to determine the size of the zipper head?

We often deal with zippers in our daily lives. Zippers are used in many places. For example, many clothes have zippers instead of buttons. Most pants also have zippers, especially jeans. Zippers are the most common. In addition, there are zippers on the bags people usually carry, the suitcases they use for traveling, the quilts at home, etc. These zippers are big and small, so how do you judge the number of the zipper?

How to determine the size of the zipper head?

The base of the zipper head will have specifications, such as 3, 5, and 8, which represent the pull head for 3# zipper, the pull head for 5# zipper, and the pull head for 8# zipper. The zipper head size parameters include mouth height and mouth width, which represent the width and height of the zipper head respectively.

No. 5

8# is thicker, 8#

Large 5# zipper for general clothes

Generally it is 3# and 5#, and 3# is used on pants. From the numbers alone, you can tell that the zipper size 5 is larger, after all, 5 is bigger than 3. Denim chains generally need to be washed, and are copper stamped pullers, which require very high zipper strength; 4YG&#92. According to the size of the zipper head, the shape of the teeth is different from the ordinary ones, mainly because the teeth of the zipper are made of copper. Of course, it is generally divided into 45YG5YG, which has a special meaning. I won’t go into details. A special category is divided out in the zipper. The reason why it is called YG is also to mark the specifications. This is the 4YG mentioned in the pull head of the zipper specially used for jeans, which is usually printed on the back of the zipper head. There is no empty space in the middle of the zipper, and the zipper teeth are complete! Usually at least 100 yuan for packaging

Strip zippers are made one by one, and are a complete zipper such as clothing, with upper and lower stops and a slider.

The code-installed zipper is a long chain that users cut according to their needs. It has no upper or lower stops and the users install the slider themselves.

YKK jeans zipper distinction

The zippers used by YKK specifically on jeans are all metal zippers, commonly known as Y-tooth zippers. The material is the same, all copper, but there are different types of zippers due to different electroplating effects. They are divided into white copper, gold copper, green bronze, antimony teeth, gray silver teeth (antique silver), and red bronze. Among them, red bronze is the most expensive, while white copper and gold copper are the most widely used.