T/CCTA 30519-2025 Active Group standards

T/CCTA 30519-2025 Air-jet vortex spun acrylic and bamboo pulp viscose blended grey yarn

Publish Date: 2025-07-28 Implement Date: 2025-08-01 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 30519-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Drugs for the cardiovascular, respiratory, and blood systems

ICS Name: Yarn

Publish Date: 2025-07-28

Implement Date: 2025-08-01

Scope

This document provides the product classification and marking of unbleached yarns made from a blend of jet-vortex spun nylon and bamboo pulp viscose fibers, and stipulates the requirements, inspection rules, marking, and packaging. It also describes the corresponding test methods. This document applies to unbleached yarns made from a blend of jet-vortex spun nylon (with a content of 30% to 70%) and bamboo pulp viscose fibers. The main technical indicators evaluated include: yarn density deviation rate, yarn density variation coefficient, single yarn breaking strength, single yarn breaking strength variation coefficient, evenness of yarn unevenness, thousand-meter cotton knots (+200%), and hundred-thousand-meter yarn defects, among others.