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     背膠魔術貼是指在普通魔術貼和特殊魔術貼帶子本身的基礎上，經(jīng)過高溫背膠熱熔機，將膠水熔解在普通魔術貼和特殊魔術貼帶子的背面，再貼上一層油性離型紙，就是成品的背膠魔術貼。
     這個魔術貼的挑選色牢度好與差相信是很多小伙伴都不知道的技巧，今天魔術貼小編給大家分享經(jīng)驗給大家，如果你是采購魔術貼的，都會看到魔術貼色牢度這一特性。那么，色牢度是什么，粘扣帶色牢度指的是什么呢？那么如何挑選背膠魔術貼色牢度好壞的方法？
     魔術貼色牢度好與差，直接涉及人體的健康安全，色牢度差的產品在穿著過程中，碰到雨水、汗水就會造成面料上的顏料脫落褪色，則其中染料的分子和重金屬離子等都有可能通過皮膚被人體吸收而危害人體皮膚的健康，
     色牢度又稱染色牢度、染色堅牢度。是指魔術貼的顏色對在加工和使用過程中各種作用的抵抗力。根據(jù)試樣的變色和未染色貼襯織物的沾色來評定牢度等級。紡織品色牢度測試是紡織品內在質量測試中一項常規(guī)檢測項目。
     粘扣帶魔術貼等紡織品在其使用過程中會受到光照、洗滌、熨燙、汗?jié)n、摩擦和化學藥劑等各種外界的作用，有些印染紡織品還經(jīng)過特殊的整理加工，如樹脂整理、阻燃整理、砂洗、磨毛等，這就要求印染紡織品的色澤相對保持一定牢度。

Adhesive Velcro means that on the basis of the ordinary Velcro and special Velcro tape itself, the glue is melted on the back of the ordinary Velcro and special Velcro tape through a high-temperature adhesive hot melt machine, and then a layer of oily is applied Release paper is the finished adhesive Velcro.
Adhesive Velcro
     The color fastness of this Velcro selection is good or bad. I believe that many small partners don’t know the skills. Today, the Velcro editor will share the experience with you. If you are purchasing Velcro, you will see the color fastness of the Velcro. This characteristic. So, what is the color fastness and what does the color fastness of the hook and loop fastener refer to? So how to choose the color fastness of the adhesive Velcro?
     The color fastness of Velcro is good or bad, directly related to the health and safety of the human body. During the wearing process, products with poor color fastness will cause the pigment on the fabric to fall off and fade when exposed to rain or sweat, and the dye molecules and heavy metal ions Etc. may be absorbed by the body through the skin and endanger the health of the human skin,
     Color fastness is also called color fastness and dyeing fastness. It refers to the resistance of the color of the Velcro to various effects during processing and use. The fastness grade is evaluated according to the discoloration of the sample and the staining of the undyed lining fabric. Textile color fastness test is a routine test item in the internal quality test of textiles.
     Velcro and other textiles are exposed to various external effects such as light, washing, ironing, perspiration, friction and chemical agents during their use. Some printed and dyed textiles are also subjected to special finishing processes, such as resin finishing, flame retardant Finishing, sand washing, sanding, etc., which require the color and luster of printed and dyed textiles to maintain a certain degree of fastness.