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Cowboy washing water

Poor tearing strength

◆ Influencing factors of tearing strength ① Raw materials Different raw materials show obvious differences in the degree of resistance to external tearing and tensile forces. ② The organizational structure of the fabric

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Oxidative yellowing of denim garments

As a kind of casual clothing suitable for all ages, denim clothing is deeply loved by people. With the improvement of people’s living standards, consumers are no longer satisfied with the traditional heavy and rough denim clothing, hoping that denim clothing can be lighter, thinner and more comfortable. Demonstrate a unique taste. However, thin denim clothing is prone to product yellowing, which will seriously affect product quality. Yellowing is a phenomenon in which the surface of a material turns yellow under the single or combined effect of light, heat, oxygen, water, and chemical substances. The yellowing phenomenon is common in the production, storage, transportation and use of light-colored textiles. ◆ Classification of yellowing ① Ozone yellowing

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Denim ready-to-wear

Stretch denim fabrics refer to denim fabrics containing spandex, which are generally core-spun yarns or covered yarns centered on spandex. According to the physical and chemical properties of spandex, elastic denim products containing spandex cause loss of elasticity during the washing process. The spandex fiber is affected by external conditions, such as chemicals, humidity, heat, etc., and the fiber itself is damaged, causing breakage and losing elasticity. Recovery performance, the fabric cannot retract freely after being stretched, causing loss of elasticity. In the washing and dyeing process of denim products, once the loss of elasticity occurs due to the degradation of spandex, it is difficult to repair, so the loss of elasticity can only be controlled by preventive methods.

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Denim garments have a big residual smell

Consumers often find peculiar smells when buying denim clothing. There are generally two reasons for this phenomenon: one is that the odor of the black denim fabric itself is not removed in the subsequent washing process; the other is that the chemicals used in the washing process occur Chemical reaction, the peculiar smell remains on the clothing, among which the chlorine bleaching process and the high manganese treatment process are easy to produce the smell.

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Insufficient color fastness to dry and wet rubbing

Denim clothing is deeply loved by consumers for its unique style. However, the wet rubbing fastness of denim fabrics is relatively low. For example, AATCC, ISO and national standards stipulate that the wet and dry rubbing fastness of children's denim fabrics can reach 2~3 grades as qualified products. With the advancement of society, the people's yearning for health and safety has put forward higher requirements for denim fabrics, forcing denim manufacturers and denim washing companies to make continuous efforts to improve the wet rubbing fastness of denim.

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