Note on choosing a zipper

December 21, 2017 BY TRIMS CO.,LIMITED Zippers Knowledge

Separating zippers are widely used in a variety of household items, from clothing, luggage, home textiles to luggage. Although the zipper is a small fixture, there are many different types and specifications. According to the form, there are open-end zippers, closed-tail zippers, and invisible zippers; according to the material of the zipper teeth, there are metal zippers, plastic zippers and nylon zippers. Zippers are also available in different lengths and sizes. It is important to choose and use the zipper correctly.

There are several things to keep in mind when pairing a product with a suitable zipper.

1. 2 way zippers for children's clothing should have higher requirements

Children`s immune systems are less robust than adults, and they are more vulnerable to harmful substances. To ensure their safety, zippers for children`s wear should be under more strict quality standards in aspects consisting of material, accessory and test. Inform zipper manufacturers in advance of the requirements of zippers for children`s wear. For instance, controlling the chemical composition of zipper products, selecting suitable types of zipper, and adopting injection top stop and bottom stop without sharp edges and angles.

2. What items will the heavy duty zipper be used for?

Zippers used in different products may have different requirements.Before placing order, customers should inform zipper manufacturers of the specific application of zipper in advance. Full communication must be taken place to confirm the application of zippers and the special requirement for manufacturing, processing or washing.

3.Pay attention to the zipper length and allowable tolerance

There are differences in measuring the length between different kinds of zipper. Besides, zippers will have a certain shrinkage rate under the effect of external force, so zippers should up to the standards of allowable tolerance. Generally speaking, the allowable tolerance is in direct proportion to zipper length. Therefore, confirm the zipper length with manufacturer before purchase.

4.Pay attention to the environmental requirements for zippers

The use of chemical substances are common in zipper manufacturing and there are differences in environmental requirements for zippers between different countries. Hence, check with manufacturers about the requirements of AZO FREE, LEAD FREE, NICKEL FREE and needle detection before placing orders.