Quality index of mobile phone lanyard

      The mobile phone lanyard is a kind of lanyard that was very popular and used a lot a few years ago. At that time, the popularity of mobile phones was not that much or most people were just starting to come into contact with it. There will be a comparison of that kind of thing. Superior feeling. Therefore, people will have a lanyard to close the mobile phone to their chest. This situation may also be a follow-up. People always think that it is a great thing for people to hang a mobile phone, so the business of mobile phone lanyards wholesale will be very good at that time.

      However, with the popularization of mobile phones, people no longer feel that owning a mobile phone is a big deal, and they no longer value the value of mobile phones. The corresponding wholesale business of mobile phone lanyards has been greatly affected.

      In actual life, color fastness is one of the important quality indicators of rope lanyards, and which items to be assessed are mainly determined according to the final use of the product.

      The so-called color fastness refers to the physical and chemical action of the dyed rope, among which the color fastness to perspiration, dry friction, and water immersion is the item required by the basic safety technical specifications of mobile phone lanyards. The color fastness of the rope is called color fastness.

      All dyed textiles should be assessed. Among the various items of color fastness, the most commonly used color fastnesses for mobile phone lanyards are color fastness to washing, color fastness to light, color fastness to rubbing, and color fastness to perspiration. Color fastness, weather fastness and other items are indicated by the color change of the sample after the test, the evaluation level of the staining degree of white cloth.