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zipper length measurement
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Problems that should be paid attention to in washing zipper products
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Collar washing processing
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after washing and processing, zipper discoloration or corrosion of washing and processing drugs will weaken the belt. When you want to wash and process, you 'd better use a zipper head zipper with strong washing resistance. In order to prevent the residual acid in the washing process, please fully wash it to the neutral state. With the processing type or drug type, the fabric will weaken, and the test must be done before washing and processing.
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after washing and processing, the self-locking pull head is damaged
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when the zipper is open for washing and processing, sundries will enter the slider, making it easy to be damaged. Therefore, please wash and process it in the closed state of the zipper.
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correct washing method
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1. Before washing or putting into the dryer, please close the zipper and fix the slider. If washing is turned on, the front end of the upper stop will damage the fabric and woven belt will shrink.
2. Alkaline detergent or chlorine Bleacher will melt the paraffin or oil film coated on the zipper. Please pay special attention when using it.
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proper materials, appropriate temperature and skilled ironing methods
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1. The temperature of the iron should change with the change of the material, and the zipper also has the appropriate temperature, so as to maintain the strength and beauty of the zipper.
2. When ironing the zipper, be sure to close the zipper. The zipper should be fixed in the normal position. Do not let the slider pull tab be placed in reverse or upright, and the ironing should be started only after block cloth is laid. Otherwise, unexpected things will happen.
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Precautions for using metal zipper
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chemical properties of copper alloy (discoloration principle of metal zipper teeth)
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the chemical property of copper alloy is chemical reaction when it meets acid, alkali, oxidant or reducing agent, which is easy to change color. The zipper may change color when chemical agents left on the dress material and chain teeth, pullers or open-end parts of the metal zipper are reflected. This kind of chemical reflection is relatively easy to occur under high temperature conditions. This is not a zipper quality problem.
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precautions when using metal zipper for clothes of different textures
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woolen sweater
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the bleaching of woolen sweater fabrics usually adopts the following methods:
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1. Treat with acid Bleacher (H2O2) or reductive Bleacher (sulfite).
2. In the post-treatment process of bleaching, such as anti-shrinkage treatment or bleaching treatment, if the water washing and neutralization treatment are insufficient, gases such as L2 or S2 will be generated. These bodies are exposed to high temperature (steam ironing) it is easy to react with metal. Therefore, after bleaching, please use a cloth that is clean enough.
3. As the fabric is pressed and packaged immediately after being ironed by steam, the accessories (teeth, pullers, upper and lower stops, etc.) containing copper alloy in metal zipper react with reagent or gas, which is easy to change color. Therefore, please fully cool the products after steam ironing before packaging.
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Ordinary clothing products
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because the post-cleaning treatment of dyeing processing is insufficient, the acidic compounds remaining on the dyed fabric are easy to react with the metal zipper and stain the fabric. Therefore, use a dress material that completely removes the oxidant (neutralizes) or is thoroughly cleaned. When purchasing metal zippers, special purposes and special requirements should be indicated, such as ordinary washing and acid enzyme washing.
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Common identification methods for Zipper Quality
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woven Belt: woven belt dyeing should be uniform, no stain, no scars, and soft to the touch. In the vertical direction or horizontal direction, woven belt should be wavy
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teeth: The surface of teeth should be smooth, feel soft when pulling, and the noise is small
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pull head: the self-locking pull head can be easily opened, and the lock is fixed without sliding down.
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patch: The patch is woven belt tight, not easy to break or fall off
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square and Bolt: insert freely and fasten woven belt
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upper stop and lower Stop: A. The Upper stop should be tightly fastened to the first tooth (metal, nylon), and the distance should not exceed 1mm and it is firm and perfect.
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B. Close the teeth or pliers to the top, and it is firm and perfect.
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Important Tips when purchasing zipper
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Because the zipper has different adaptability in different environments, when purchasing the zipper, it should be specially proposed to the manufacturer:
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1. What kind of products are zippers applied to (such as leather cases, shoes and boots, anorak, raincoats, tents, jeans that need to be washed or those with high acidity
leather products or other special requirements
2. Requirements for Zipper components, whether it is necessary to contain AZO (AZO) without nickel, or over needle detector, etc.
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