T/NTTIC 029-2024 Lycra embroidery thread
T/NTTIC 029-2024 Lycra embroidery thread
Basic Information
Scope
Scope: This standard specifies the terms and definitions, requirements, grading provisions, test methods, acceptance rules, marking, packaging, transportation, and storage of Rayon embroidery thread products. This standard is applicable to the quality appraisal of Rayon embroidery thread. Main technical content: The technical requirements for Rayon embroidery thread are divided into physical and chemical properties and appearance quality. The physical and chemical properties include breaking strength, breaking strength variation coefficient, line density deviation rate, resistance to soap washing color fastness, resistance to friction color fastness, allowable length deviation rate, and the number of knots. The appearance quality includes surface knots, stains, color deviation, color unevenness, core thread, slack thread, and spider web, etc.