T/GDTEX 15-2020 Antimicrobial UV-blocking unidirectional moisture-wicking fabric

Scope

Scope: This standard provides the terms and definitions, technical requirements, test methods, inspection rules, packaging, marking, and storage and transportation for antibacterial and UV-resistant one-way moisture-wicking fabrics. This standard applies to woven and knitted fabrics with antibacterial, UV-resistant, and one-way moisture-wicking functions. Main technical content: 1. Scope: This standard provides the terms and definitions, technical requirements, test methods, inspection rules, packaging, marking, and storage and transportation for antibacterial and UV-resistant one-way moisture-wicking fabrics. It applies to woven and knitted fabrics with antibacterial, UV-resistant, and one-way moisture-wicking functions. 2. Terms and definitions: The characteristics of one-way moisture-wicking fabrics are as follows: the material on one side of the fabric (usually the side against the skin) maintains a water-repellent state, while the material on the other side uses hydrophilic fibers. Water vapor is absorbed through the interlaced points and fabric gaps by the hydrophilic fibers on the outer side. During this process, a pressure difference is formed between the outer and inner sides of the fabric, making it easy to be absorbed through the interlaced points and fabric gaps. Thus, the side against the skin remains dry. Therefore, we define one-way moisture-wicking as "the transfer of moisture or sweat from the inner layer of the fabric to the outer layer, where it evaporates and disperses, while it is difficult for moisture or sweat to infiltrate back into the inner layer". 3. Determination of intrinsic quality technical requirements based on actual measurement data: For woven fabric samples 12345678910, the formaldehyde content/mg/kg is 20202020202020202020; the pH value is 65.66.365.45.65.55.76.05.3; the content of carcinogenic aromatic amines is not detected; the odor is absent; the antibacterial rate against Staphylococcus aureus is 97%94%90%94%92%92%87%90%92%

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