T/NTTIC 031-2024 Active Group standards

T/NTTIC 031-2024 Sewing thread made of Luxray short fiber

Publish Date: 2024-03-19 Implement Date: 2024-03-19 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/NTTIC 031-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Yarn

Publish Date: 2024-03-19

Implement Date: 2024-03-19

Scope

Scope: This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, and storage requirements for lyocell staple fibers used in sewing threads. This standard applies to lyocell staple fibers with a linear density of 0.90 dtex to 1.56 dtex, produced from dissolving pulp and used in sewing threads. Other types of lyocell staple fibers for sewing threads can be used as reference. Main technical content: Lyocell staple fibers for sewing threads are produced from dissolving pulp using the NMMO solvent method, with a linear density of 0.90 dtex to 1.56 dtex, a cut length of 30 mm to 45 mm, and a moisture content of 13%. These cellulose staple fibers are used in the production of sewing threads. The standard moisture content of lyocell staple fibers for sewing threads is set at 13%, and the actual moisture content of the product should be between 8% and 14%. Products with a single-bag moisture content exceeding 14% are not allowed to be shipped. Products with a moisture content below 8% must obtain the user's consent before being shipped. Periodic sampling is used to form inspection batches within a certain range. A production batch may consist of a single inspection batch or multiple inspection batches.