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Site: Home > Related Articles > The Color Fastness Test On Yarn Fabric

The Color Fastness Test On Yarn Fabric

Author: Released in:2019-10-18 Click:30

Today customer not only focus on the ornamental and comfort of textiles, but also on the durability and safety of textiles. They need high-quality products. Market research shows that most of the time consumers buy textiles based on color. Therefore, the ability of the fabric to maintain primary color is one of the most important properties of textiles.

The Color Fastness Test On Yarn Fabric
Crocking means the transfer of color from one fabric onto another by rubbing. A fabric with poor color fastness would transfer its color easily onto other fabrics, especially to white color fabrics.

 

No one wants his/her white shirt to get stained by his/her backpack. That is why color fastness to Crocking/Rubbing is especially important in the bag manufacturing industry.

 

The color fastness test on dyed yarn fabric is more complex, as it involves several different pieces of yarn which may have been dyed differently. Moreover, yarn fabric can be made of the same yarn color or mixed colors. Each yarn has been subjected to a different dying process.

 

Different strands of yarn are crossing one another which makes it even more difficult to understand which one is fading and to evaluate the actual color fastness grade. As a result, the color fastness test should be done at the very early stages. It should occur after the dying of the yarn instead of on the fabrics.

 

As a result, the color fastness during an inspection is almost meaningless. That’s why this test is often excluded from the inspection protocol. To know the color fastness grade of dyed yarn fabric, the test should be performed during the dying process instead of on the finished yarn-dyed fabric.

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