Common problems and solutions in zipper usage
Time：2026-07-27
Our zippers have extremely wide application coverage, realizing full-scene matching from civilian daily use to high-end industrial manufacturing. In traditional fields, they are widely used in casual clothing, formal garments, outdoor sportswear, luggage, bags and daily textiles. In emerging high-end fields, our high-performance customized zippers are applicable to aerospace equipment, industrial protective equipment, medical protective supplies, and smart wearable devices. We can adjust product performance, material and technology according to the usage environment such as high temperature, low temperature, corrosion resistance and wear resistance to ensure stable product operation in complex scenarios.
Problems in Application | Countermeasures |
Heavy fabric over 12 oz | For heavy fabrics, adopt zippers of size #5 and above; |
Non-self-locking slider used on overcoat placket, | For overcoat plackets, use sliders equipped with self-lock device |
PIN LOCK slider applied on pockets, | Avoid PIN LOCK on pockets; use KA AUTO LOCK or KF (NONLOCK) |
After washing treatment, zipper discoloration or corrosion. | Adopt YG ZIPPER with strong resistance to washing treatment |
Fully rinse to neutral state to prevent residual acid after washing | |
Fabric weakening may occur depending on process & chemical types. | |
KA SLIDER damaged after washing treatment | If washing with zipper open, impurities enter slider and cause damage. |
Discoloration: Metal fastener teeth | Copper alloy turns black once oxidized. |
Problems in Application | Countermeasures |
Dye Migration: Dyes from zippers react with | Separate finished goods with paper sheets (place paper between zipper and fabric during ironing), |
Color Transfer: When brown or dark-colored zippers are used, | Residual acid or oxidizing agents from fabric dyeing process trigger chemical reactions, |
Use fully rinsed fabrics and raw materials | |
Paraffin melts under heat during post-ironing process, | Metal zipper teeth are treated with paraffin for smooth sliding |
Place paper or cloth padding on areas directly contacting zippers before ironing | |
Shape-setting process: Zipper discoloration or corrosion | For products requiring shape forming, adopt highly corrosion-resistant zippers. |
Zipper teeth melting caused by direct ironing without cloth padding | Heat resistance temperature: Plastic resin zipper: 130℃ |
Confirm heat resistance temperature first, then iron with cloth padding |
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The company mainly produces and sells nylon, resin and metal zippers, waterproof zippers, invisible zippers, special industrial & aerospace zippers and matching zipper sliders. Our products are widely applied in apparel, luggage, outdoor gear, smart wear and industrial equipment industries.
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