T/HTES 002-2019 Active Group standards

T/HTES 002-2019 Cotton Sewing Thread

Publish Date: 2020-06-16 Implement Date: 2020-06-16 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/HTES 002-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Wire, tape, and rope

ICS Name: Yarn

Publish Date: 2020-06-16

Implement Date: 2020-06-16

Scope

Scope: This standard specifies the terms and definitions, requirements, test methods, acceptance rules, packaging, marking, transportation, and storage for cotton sewing thread products. This standard applies to unbleached or dyed cotton sewing threads. Main technical content: The technical requirements for sewing threads are divided into physical and chemical properties, appearance quality, and safety performance. Physical and chemical properties include breaking strength, breaking strength variation coefficient, elongation at break, yarn density deviation rate, yarn density variation coefficient, evenness of thread, hundred-meter yarn defects, twist variation coefficient, 2mm fuzz index, color fastness to soap washing, color fastness to wet rubbing, allowable length deviation rate, and the number of knots. Appearance quality includes six items: surface knots, stains, color deviation, color bleeding, hemp-like threads, and cobwebs. Safety performance includes formaldehyde content, pH value, color fastness to dry rubbing, color fastness to water, color fastness to sweat stains, and the presence of decomposable carcinogenic aromatic amine dyes and odors.