Main technical points: 1. Define the scope of high-quality clothing requirements 2. Propose relevant evaluation requirements for raw materials and accessories 3. Product requirements are divided into two aspects: intrinsic quality and appearance quality. Intrinsic quality includes: fiber content, pH value, formaldehyde content, odor, decomposable aromatic amine dyes, dye fastness, lotion staining degree and other indicators. Appearance quality includes surface defects, specification and size deviations, symmetrical part size, sewing process and other indicators. 4. Optimize batch product quality judgment rules, including sampling methods, intrinsic quality judgment, appearance quality judgment, re-inspection and other standards
T/STTIA 004-2022 history
2022T/STTIA 004-2022 Group Standard for High Quality Knitted Thermal Underwear