T/NHTA 4-2020 Fabric for casual clothing made by weaving machinery

Scope

Scope: This standard specifies the terms and definitions, requirements, test (inspection) methods, inspection rules, packaging, marking, transportation, and storage of woven leisure fabrics. This standard applies to woven fabrics for leisure clothing. Main technical content: 1. Requirements 1) Product quality requirements Product quality requirements include internal quality requirements and appearance quality requirements. Based on the comprehensive evaluation of internal quality requirements and appearance quality requirements, the products are divided into three grades: excellent, first-class, and qualified, and the specific technical indicators for the grade division of the two parts of the quality requirements are given. Among them, there are 18 technical indicators for internal quality, which combine some technical indicators from FZ/T 81007-2012 for single and double garments and GB/T 21295 for the physical and chemical performance of garments. Moreover, the technical indicators such as color fastness, shrinkage rate after washing, and shrinkage rate after dry cleaning are all higher than the industry standards. There are four technical indicators for appearance quality, including width deviation, color difference, warp and weft deviation, and fabric surface defects. 2) Safety performance requirements They shall comply with the relevant provisions of the National Fire Protection Standard GB 8408-2013.

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