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Colorfastness Crocking Testing Methods By Different Countries and Organizations
2019/11/22
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The testing methods have been developed by different countries and organizations according to their national custom and development standards of the industry. The safety of the dye is tested once it is rubbed which is similar to the daily tear and wear.
There are four common test standards as follow:
AATCC Test Method 165-This test method is designed to determine the degree of color transfer from the surface of textile floor coverings to other surfaces by rubbing. The intent is to reproduce as nearly as possible true-to-life situations in all constructions, whether dyed, printed or otherwise colored.
AATCC Test Method 8-This test method is designed to determine the amount of color transferred from the surface of colored textile materials to other surfaces by rubbing. It is applicable to textiles made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored.
ASTM D2054-This test method covers the determination of the degree of color that may be transferred from the textile tape of zippers of all fibers to other surfaces by rubbing under wet or dry conditions, or both.
ASTM D5053-This test method covers the determination of the degree of color that may be transferred from leather to other surfaces by rubbing under wet (damp) or dry conditions, or both. This test method does not apply to wet blue.
You can identify the differences in the Crockmeter test method as they certainly have an impact on the test results. We can determine the average friction with the help of the conditions specified in the Crockmeter called the friction testing machine.
It is important to carry out the tests in different countries according to their testing standards and then conduct judgment based on the results. The colorfastness is rubbed in exposure to the friction intensity as it is one of the important tests in inspecting the textile quality for the colorfastness to crocking.
The overall colorfastness of the fabric is directly related to the test results. The human body can be harmed in different degrees due to the poor quality of some dyes. The standards are set by different countries and organizations to strictly limit the colorfastness of the home textiles and apparel. This is done to minimize the potential dangers done by the product.
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