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Zipper quality knowledge

Author admin Time2016-12-27 17:01 source未知
SummaryFirst, the zipper specifications and models The size of zipper is the width and size of the two teeth, the measurement unit is mm, the size of the zipper is the size of the basis of the various components, is the most important characterist...

First, the zipper specifications and models
The size of zipper is the width and size of the two teeth, the measurement unit is mm, the size of the zipper is the size of the basis of the various components, is the most important characteristics of the size of the zipper model is the shape, structure And the performance of an important reflection of the zipper model not only contains the zipper specification requirements, but also reflects the zipper performance characteristics, that zipper technical parameters and the use of functions.
Second, the strength of the zipper
Zipper strength is the most important performance indicators, determines the use of zippers and durability, in the national zipper standard, the strength is clearly defined, but also the basis for testing the quality of zipper. The zippers of different specifications have different strength and have different uses, the zipper suppliers will usually give a reference model of the specifications and scope of use.Zipper specifications and models must meet the requirements of use, once confirmed, its specifications The model must meet the order requirements.
Third, the zipper length
The length of the zipper relates to the size of the garment or garment closure body or part, and is the most important dimension.The zipper length is measured by placing the zipper flat on a flat platen in a natural state, The length of the zipper is measured from the top to the outer end of the lower stop and the end zipper to the outer end of the receptacle.When the zipper is manufactured, due to the inertia of the device and the integrity of the coupling teeth, There are deviations, but to a certain extent.
Fourth, the flatness of the zipper
Zipper straightness test method: take a finished zipper, flat on the platform plate, make it in a natural state, and then use your fingers along the sides of the chain tooth movement back and forth, with a straight edge to bend closer to the Department , And then use another ruler to take the distance between the foot and the ruler, this distance is flatness.
5, the zipper and zipper with the color
Zipper and zipper with the color must meet the confirmation sample card back to confirm the kind. If you require a large body color, but also with the fabric once again check, and check with the zipper with or without color, the same batch of zipper with or without color, generally above the GRADE3 .
6, the appearance of the zipper
1, zipper straightness and flatness: the zipper in a natural state of sagging, no waves back to bend. 2, the zipper teeth: injection zipper teeth with bright, positive central no depression, no missing teeth, metal chain teeth arranged in neat rows, not skew, no broken teeth chain, teeth, good teeth together. 3, injection zipper color: color uniform, bright and bright, no color. 4, zipper tape with glue: zipper with adhesive position symmetry, no skew, paste the Department repeated 10 times to turn 180 degrees and constantly. 5, pull head: electroplating slider coating bright, can not afford to skin, no foreign body scratches, coating thickness of not less than 3UM, painting, spray lacquer surface bright color uniform coating firm, no bubbles, no dead ends and other defects.

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