Mimi teeth: most of the metal zippers on the market for aluminum alloy, brass, white copper, zinc alloy and other materials made, because the color of the metal zipper teeth are electroplating, if not properly preserved, its teeth will become black and will cause pollution of clothing. For copper alloy teeth are prone to oxidation, so in the preservation to ensure a certain degree of ventilation, do not seal preservation, do not save in a humid environment, when necessary, the use of moisture-proof paper or dehumidifiers.
Pulling head: Osage metal pull head color is green bronze, red bronze, plated white, yellow plated yellow, black nickel, black and white nickel, bright silver, usually, the color of the metal pull head is required to be the same as the metal zipper teeth color. According to the regulations, the commonly used pull-head parameters are:
The mouth height of the metal pull head is 2.1-2.2mm and the mouth width is 4.55-4.65
The mouth height of the metal pull head is 2.7-2.8mm and the mouth width is 6.0-6.05
Limit code: divided into top (front code) and bottom (back code). The main function of the upper and lower stops is to prevent the pull head from being removed from the teeth.