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pH value detection has become the main technical barrier to export textiles and garments
The pH value refers to the residual acid-base content in the fabric, and it is generally required to be in the neutral range. Textiles will have irritation and corrosion effects on the skin under alkaline conditions (pH is too high), causing skin inflammation, and bacteria and germs multiply and grow faster, which is harmful to the human body; and excessive acidity (pH is too low), Clothing can easily cause damage in storage. In order to improve the safety of clothing, the United States, Japan, the European Union and other countries and regions have made strict regulations on safety items in textiles. The pH value is also listed as one of the necessary safety inspection items for textiles, and the pH value has also become one of the main technical barriers in the textile field. In order to regulate the production of textiles, improve the quality of textiles, and reduce the technical barriers that Chinese textiles encounter in international trade, the GB 18401-2010 'National Basic Safety Technical Specifications for Textile Products' implemented on August 1, 2012 has made corresponding requirements for textile safety items. At the same time, SN/T1649-2005 'Import and Export Textile Safety Item Inspection Regulations' formally implemented on May 1, 2006, also made clear regulations on the pH value of exported textiles, including infant products (Class A) and direct skin contact The pH value of products (Category B) must be controlled between 4.0 and 7.5. Products that do not directly contact the skin (Category C) can be relaxed to 4.0-9.0. Anything beyond the range will be deemed unqualified. According to statistics from Standards Group, the most unfavorable factor in my country’s textile and apparel export disputes is the failure of textile quality testing, which has also caused a large amount of waste of resources and corporate losses, which is a pain and difficulty in the development of my country’s textile and apparel industry. The pursuit of production efficiency and low-cost advantages of many domestic textile companies has led to the lack of strict control of product quality. Many returns and foreign customs non-issuance are related to quality. Standard Group believes that as China’s textile exports gradually mature and the country is gradually aware of product quality and brand benefits, foreign trade disputes about quality have gradually reduced, and trade frictions related to technology and market are gradually escalating. This is domestic The textile industry needs extra attention.
tensile tester manufacturers are required in the manufacture of almost every product and tensile tester manufacturers textile testing equipment is one of the most common machines.
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1. ISO 5402-1: Specifies the flexometer method for testing leather flex resistance under repeated bending.
2. ISO 17694: Defines test methods for footwear upper and lining flex resistance, simulating real-world bending stress to assess long-term durability.
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Ball Burst Method (ASTM D3787): Steel ball penetration for textiles/films using testers like GT-C02-2.
Hydraulic Method (ISO 13938.1): Fluid pressure on rubber diaphragm for industrial fabrics via GT-C12A.
Pneumatic Method (ISO 13938.2): Compressed air for breathable materials tested with GT-C12B.
Results are influenced by raw materials, yarn properties,
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