T/HZWXTZ 003-2021 Secondary school student uniform
T/HZWXTZ 003-2021 Secondary school student uniform
Basic Information
Scope
Scope: This document specifies the terms and definitions of student uniforms (school uniforms), hereinafter referred to as school uniforms, their design, technical requirements, testing methods, inspection rules, packaging, storage and transportation, and marking, as well as quality commitments. This document applies to school uniforms made primarily from textile fabrics; Main technical content: The main technical requirements of this standard include fiber content, formaldehyde content, decomposable carcinogenic aromatic amine dyes, pH value, odor, combustion performance, sharpness of accessories, drawstrings, residual metal needles, dye fastness, pilling, bursting strength (for knitted fabrics), breaking strength (for woven fabrics), bursting strength (for woolen knitted fabrics), seam strength, yarn slippage at seams (for woven fabrics), washing dimension change rate, post-washing distortion rate, post-washing appearance, fabric fiber composition and content, fillings, accessories, high visibility warning, and appearance quality.