T/NHTA 2-2017 Fabric for woven denim clothing

Scope

Scope: This standard specifies the terms and definitions, requirements, testing (inspection) methods, inspection rules, packaging, marking, transportation, and storage for fabrics used in woven denim clothing. This standard applies to woven denim clothing fabrics primarily made from pure cotton or cotton fibers. 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, products are divided into three grades: excellent, first-class, and qualified, and the specific technical indicators for the classification of these two quality requirements grades are provided. There are a total of 16 technical indicators for internal quality, which combine the technical indicators in FZ/T 13001 for dyed denim fabrics and FZ/T 81006-2017 for denim clothing, and the technical indicators such as breaking strength, tear strength, and color fastness are all higher than the industry standards. There are a total of 4 technical indicators for appearance quality: width deviation, color difference, warp and weft irregularities, and fabric surface defects. 2) Safety performance requirements should comply with relevant national standards. 2. Testing (inspection)

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