Unqualified Textiles: Color Fastness and PH

The newly worn clothes are easy to dye, fade, etc., which is related to the low color fastness of the fabrics; if the underwear worn on the person feels itchy skin, it is inseparable from the alkaline pH of the fabric. A few days ago, the County Quality Measurement and Testing Center released a test result of textile fabrics in the enterprises and textiles market in the first half of this year. The color fastness and PH value are still the focus of textiles in our county.

In the first six months of this year, the County Textiles Laboratory randomly sampled 307 batches of fabrics from the County Administration for Industry and Commerce in the light textiles market. According to GB1804/2003 National Textile Product Basic Safety Technical Specification, 15 batches were not tested. Qualified, the rate of failure was 4.9%. Among them, there were 9 batches due to low color fastness, and 5 batches with unfavorable PH value. “In terms of color fastness, the problem of color fastness in rayon printing is even more prominent. This may be related to the popularity of rayon fabrics this year. Some fabric companies and distributors have reduced their standards in order to catch orders.” , While the PH value of alkaline has a deepening trend, there are some unqualified fabrics PH value of up to 9.6, itching and even allergies to human skin.

It is worth mentioning that this year's textile production enterprises in our county regularly supervised and sampled more ideally. The testing institute carried out 70 batches of inspections on 70 production enterprises such as garments, printing and dyeing, and beddings throughout the county. The test result was that 2 batches were unqualified, and the failure rate was 2.8%. Judging from the results of the inspections made by the entire county's production enterprises, it is better than the random sampling of fabrics in the market, which is related to more sources of market fabrics.

The relevant staff of the County Textile Testing Center reminded the textile and business households that environmental protection and safety have gradually become the focus of textile and garment standards. In the future, the textile and apparel standards will pay more attention to the environmental protection, safety, functionality and comfort of the products. Technical requirements such as sexuality.

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