T/CCTA 30511-2024 Active Group standards

T/CCTA 30511-2024 JET-VORTEX spun blend of modified polyester Lyocell fiber with spandex core-spun yarn

Publish Date: 2024-03-15 Implement Date: 2024-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CCTA 30511-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nCotton yarn, thread

ICS Name: Yarn

Publish Date: 2024-03-15

Implement Date: 2024-04-01

Scope

Scope: This document specifies the terms and definitions, product classification, marking, requirements, test methods, inspection rules, and labeling and packaging for ammonium nitrate-cored yarns made from modified jet-vortex-spun polyester and lyocell fibers. This document is applicable to ammonium nitrate-cored yarns made from modified jet-vortex-spun polyester (with a content of ≥50%) and lyocell fibers. Main technical content: The technical content of ammonium nitrate-cored yarns made from modified jet-vortex-spun polyester and lyocell fibers includes: yarn density deviation rate, yarn density variation coefficient, single yarn breaking strength, single yarn breaking strength variation coefficient, breaking elongation, evenness of yarn unevenness variation coefficient, thousand-meter cotton knots (+200%), hundred-thousand-meter yarn defects/(pieces/105m), allowable deviation of fiber content, and the number of obvious cotton knots.