Waterproof zipper to choose from the following aspects:
Waterproof zipper film does not tear. Whether in the case of low temperature or repeated washing, waterproof film is not easy to fall off or tear, so as to ensure lasting waterproof effect.
ø Smooth degree, use to achieve smooth, but also greatly reduce the waterproof zipper tensile resistance and wear resistance.
ø The surface of waterproof zipper film is smooth and delicate, with a smooth feeling similar to leather, which is the appearance of high-quality waterproof zipper.
ø The color difference of colored waterproof zipper should be small. The color difference between the color of zipper cloth belt and the fabric is the color difference. The color difference between the color of film surface and the color of cloth belt surface should be controlled within 5%.
In addition to color difference, pay attention to color fastness of waterproof zippers. Whether the color fastness of the zipper reaches the standard level and whether the color shifts between the zipper and the garment will directly affect the quality of waterproof zipper products.
Waterproof zippers need to be environmentally friendly, oekO-TEX 100 standard.
ø Waterproof effect: The size of the middle seam is directly related to the waterproof effect of the waterproof zipper. Too large is obviously unable to achieve waterproof effect and loses the meaning of the waterproof zipper itself.
ø Service life, the quality of the film on the waterproof zipper is directly related to the service life of the waterproof zipper.
