Copper zipper is also known as copper tooth zipper, the English name is Copper zipper, by the cloth belt, microphone teeth, pull the first, limit code composed of copper tooth zipper microphone material is brass, copper-nickel alloy, belonging to the metal zipper series , The color of copper tooth zipper teeth is often electroplated according to need up.

    Note: Because copper tooth zipper teeth on the color of the teeth are plating up, if not properly stored, the microphone teeth will be black and will cause pollution of the fabric. For copper tooth zipper teeth are prone to oxidation, it is necessary to preserve a certain ventilation, not sealed, do not save in the environment is full of moisture, it is necessary to use a moisture-proof paper or dehumidifier.

    According to the size points: 3 #, 4 #, 5 #, 7 #, 8 # and so on, copper tooth zipper size changes according to the size of the microphone teeth. Because of its often used in jeans, jackets and backpacks, so its size is larger.

    Dongguan Yifeng Copper Teeth Zipper Co., Ltd is a manufacturer of metal zipper, plastic zipper, diamond zipper, nylon zipper, double bone and invisible zipper. It is made of lead-free material and needle material. Control checks, and by the Dongguan City of Quality and Technical Supervision testing and certification, all zipper products meet export standards in Europe and America. Yifeng zipper professional custom, design, sales of various exquisite appearance of quality Yifeng copper teeth zipper, welcome to inquire environmental zipper wholesale prices, manufacturers, production bases and more!

Copper teeth zipper reasons:

First, the chemical properties of copper alloys

Copper alloy material, acidic, alkaline, oxidizing agent or reducing agent will play a chemical reaction, easy to change color. The chemical residues on the clothing with the metal zipper teeth, pull head, open tail parts of the chemical reaction, the zipper may change color. This chemical reaction in high temperature, high humidity conditions are more likely to occur. (Clothing after steam ironing, or sealed in a plastic bag, and save a long time, etc.). Yifeng zipper factory Tips: This situation does not belong to the copper tooth zipper quality problems. # 3, # 4, # 5, # 7, # 8, # 10 and other models 【Copper tooth zipper】 lead-free materials and the use of environmentally friendly materials into the needle production, material exports in line with European environmental standards, Dongguan Yifeng Zipper manufacturers direct supplier, the price advantage is obvious.

 

Second, as a result of chemical reactions caused by the case of copper tooth zipper discoloration

 

1. Steam ironing or rain damp → blue [Cu (OH) 2]

 

2. Acidic compounds and chromium compounds [Cr2O3] → black [CuO, red [CuO2] or blue [CuSO4]

 

3. Conditions for Excess of Cl2 Gas → Light Yellow [CuCl2]

 

4. Oxidizing bleaching agent [H2O2] → copper tooth zipper Black [CuO] or red [CuO2]

 

5. Reduction of bleaching agent [Na2SO3] → black [CuO, CuS] or red [CuO2]

 

6. Excess condition of sulfide or HS2 gas → Black [CuS]

    Yifeng YFA copper tooth zipper factory professional services in the zipper industry, is one of the leading enterprises in the zipper industry, according to customer needs professional custom order of the appearance of fine quality copper tooth zipper, factory direct supplier, the price advantage allows you satisfaction.