粘扣带魔术贴等纺织品在其使用过程中会受到光照、洗涤、熨烫、汗渍、摩擦和化学药剂等各种外界的作用，有些印染纺织品还经过特殊的整理加工，如树脂整理、阻燃整理、砂洗、磨毛等，这就要求印染纺织品的色泽相对保持一定牢度。 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.
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