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Nylon Zipper & Plastic Zipper Wholesale - Wooshi Zipper Wholesale

33YEARS PROFESSIONAL FACTORY

ZIPPER INDUSTRY LEADER

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33YEARS PROFESSIONAL FACTORY

ZIPPER INDUSTRY LEADER

Good quality standard zipper

The zipper, in the life of people is to be. Our clothes and pants, bags, hats, shoes and so on with a zipper. So, a good zipper what kind of standard?

1, zipper teeth arranged neatly, no missing teeth and bad teeth;

2, the zipper cloth dyeing should be uniform, no stain, no scars, and soft to the touch; vertical or horizontal direction, cloth to wave gently and evenly or no wave; cloth sticking buckle strap, not easy to break off.

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3, every 4000 yards of not less than 40KG, zipper shall not contain fluorescent agents;

4, color fastness to crocking: zipper belt friction resistance test for colour fastness to meet GB251 provisions of grade 3-4; colour fastness to washing: chain after washing color fastness with GB250 provisions of 3-4.

5, feel soft, smooth, flat, very, meshed well teeth: teeth surface to smooth, soft feel when pulling Kai Cheong and less noise and teeth do not allow black and yellow;

6, the same batch of chain chromatism should meet the requirements of GB250 three;

7, according to the quality standard of the European zipper, zipper requirements are non-toxic, do not contain azo, do not contain nickel, does not contain formaldehyde, required to check the needle;

8, according to the national standard, the zipper pull strength is greater than (or equal to) 340N, pulling light slip is less than (or equal to) 5N.

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