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How to choose high-quality nylon zipper? We see from the following three aspects.
Resistant to sun, sweat along with the sun occurred. Here, the sun-resistant, not including the sun and dual color fastness to perspiration. Optics and a series of chemical reactions, dye structure itself at different levels of irradiation damage caused by sunlight, causing discoloration or fading. At the same time, there is a solution pH of sweat will have a weakly acidic or alkaline, which will greatly reduce the amount of light fastness of disperse dyes. Thus, the composite effect and simple light fastness, perspiration fastness is very different.
Color drift problems, such as PVC, PE and various functional fabric coated fabric, fabric processing technology is complex, often some residual plasticizers, solvents and other chemical additives. It is because of these additives, when prolonged exposure to fiber cloth, these additives will penetrate into the interior of the fiber, the dye molecules are more easily transmitted and the inner surface of the fiber. If the fabric is red or pale, it is easily soiled fabrics. This is because the zipper cloth color diffusion solution to the problem, the best way is to select the zipper to see whether the use of dyes and polyester fiber is a better combination.
Disperse dyes soaping fastness, soaping fastness, soaping soaping fastness fastener tape is also a very important indicator. In general zipper fabric 100% polyester woven fabrics. Under washing conditions, dye fading caused by a single level or dyeing cloth. Theoretically, since the dispersion of disperse dyes in polyester, and disperse the concentration gradually decreases from the surface layer of the fiber aggregation, more dye molecules of the surface. Therefore, high-quality soaping depends on two aspects: First, the interaction between the dye molecules of the size of the force between the fibers, high molecular dye hard soap detergent fiber surface, a small force is reversed; the second is dyed the whole process, the dye molecules remaining in the fiber surface, if relatively complete dye post-processing, surface residues will be very small, it is difficult to make soaping cloth zipper fade.
Wooshizipper is a professional nylon zipper wholesale, our products enjoy an excellent reputation in the market, if you are interested in our products, please contact us.