T/NHTA 2-2020 The fabric used for knitted denim clothing

Scope

Scope: This standard specifies the terms and definitions, requirements, testing (inspection) methods, inspection rules, packaging, marking, transportation, and storage of fabrics used in woven denim garments. This standard applies to woven denim garment fabrics primarily made from pure cotton or cotton fibers. Main technical content: 1. Requirements 1) Product quality requirements. Product quality requirements include intrinsic quality requirements and appearance quality requirements. Based on the comprehensive evaluation of intrinsic 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 grading of the two parts of the quality requirements are given. There are a total of 16 technical indicators for intrinsic quality, which combine the technical indicators in FZ/T 13001 for dyed denim fabrics and FZ/T 81006-2017 for denim garments, and the technical indicators such as breaking strength, tearing strength, and color fastness are all higher than the industry standards. There are a total of 4 technical indicators for appearance quality, including width deviation, color difference, warp and weft yarn defects, and fabric surface defects. 2) Safety performance requirements shall comply with relevant national standards. 2. Testing (inspection)

Development Information

Related Standards