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Teach you how to buy zipper
A zipper is a connector that relies on a continuous array of chain teeth to join or separate items. The zipper consists of chain teeth, sliders, upper and lower stops (front and rear codes) or locking parts. The chain tooth is the key part, which directly determines the side pull strength of the zipper. Generally speaking, a zipper will have two links, and each link will have a row of sprockets, and the two rows of sprockets are staggered. The slider clamps the sprockets on both sides and slides with the help of the pull ring to engage and disengage the sprockets on both sides. The quality of zippers will be directly related to the quality of clothing, so clothing manufacturers should be cautious when purchasing zippers.
Here Boting manufacturers teach you how to choose zippers.
Since zippers have different adaptability in different environments:
Firstly You should put forward requirements to zipper manufacturers according to your own product characteristics.
Secondly there are requirements for restricted chemicals in zippers, such as whether the fabric needs to be azo-free, whether nickel release is qualified, or whether needle detectors can pass.
Finally, the number of zippers is measured by the width of the zipper when it is closed. Simply put: the number more larger, the zipper more thicker.
As a manufacturer, you should follow these three points when purchasing zippers with your zipper supplier to make sure they are correct.