Advantages and disadvantages of Metal zippers:
1. Options: Durable, soft, elegant and solemn
2. Disadvantages: the tooth are straightforward to fall off and shift than different types of zippers, and the price is higher than different types of zippers as a result of high costs of raw materials. Amongst which, the aluminum zipper has less highly effective performance compared with the identical model copper zipper. Nonetheless, after surface therapy, it has imitation copper, multi-colour decoration, its selling worth has sure competitive advantages because the worth is decrease than copper.
3. Application scope: high-end jackets, leather clothing, ski jacket, down jacket, denims, casual clothes, winter clothes, etc.
The teeth of metal zippers are largely produced by copper, copper-nickel alloy, aluminum, or zinc alloy materials. Compared to plastic teeth zippers and resin zippers, metal zippers are more durable, higher price, which are more used for denims, jackets and backpacks. What should zipper procurement purchaser take note of within the collection of metal zippers? The next points should be noted at the time of purchase:
1. Make clear metal zipper is utilized on what kinds of products: clothing, bags, footwear, tents, jeans want washing by water or larger acid class leather products and other particular requirements.
2. Tape: As raw material of metal zipper tape is composed of polyesters silk, suture, and completely different types of SMIC line, the coloring and weight are different, so that the same metal tooth zippers wholesale product is easy to have colour difference. In this case, when you select the cloth tape, choose the fabric tape which is dyed uniformly, no turbidity, made with completely different materials, and contact soft.
3. Tooth: The metal zipper teeth can be plated to color, so we should note whether or not the plating colour on the surface is uniform, whether there’s dyeing defect, whether it is smooth once you pull the zipper up and down. Pull the zipper together, you should observe whether the tooth bite each other, asymmetrical zipper tooth will certainly affect the usage of the zipper.
4. Stop code: The upper and decrease stop must carefully buckle or clamp on the tooth, must which should guarantee it to be strong and perfect.
5. Pull head: the form of metal zipper pull head is available for a lot of kinds. The completed products may be both small and delicate, but also tough and magnificent. But it doesn’t matter what kind of pull head, it’s best to feel whether or not the pull of pull head is comfortable, whether the zipper cannot be pulled together or closed. Now the zippers available in the market come with self-locking gadget, so we should test whether the zipper will slide down after the lock is fixed.
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