33YEARS PROFESSIONAL FACTORY
ZIPPER INDUSTRY LEADER
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Cloth: as the raw material of metal zipper is silk polyester yarn, thread, wire in different types of components, the component and color are different, so it is easy to produce color with a zipper, at this point in the selection to choose cloth dyeing uniformity, no muddy cloud point, made of different fabrics the cloth are mainly soft.
Press adjustment: high pressure to no more than 100kg/cm2, 40kg/cm2,, 30kg/cm2, 10kg/cm2, low pressure, high pressure, the cooling time should be more than 1 second, according to the actual product (zipper model) to adjust the specific.
Prone to defective factors: exposed tibia (due to lower die positioning needle is broken, if appropriate) latch off (injection pressure is appropriate, holding pressure and cooling time enough) box cloth (good zipper down pressure to be cooled and then pull head)