T/CI 076-2022 Abolished Group standards

T/CI 076-2022 Polyester pre-oriented yarn (POY)

Publish Date: 2022-09-26 Implement Date: 2022-09-26 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/CI 076-2022

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: -

ICS Name: Artificial fibers

Publish Date: 2022-09-26

Implement Date: 2022-09-26

Pages: 12 pages

Scope

Scope: This document specifies the terms and definitions, specifications, marking and classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of polyester preoriented yarn (POY). This document applies to circular-section polyester preoriented yarn with a linear density of 20 dtex to 1,500 dtex and a single filament linear density of 0.5 dtex to 10.0 dtex, available in natural color and semi-matt finish, suitable for stretch and draw applications. Direct weaving or other polyester preoriented yarns can be used as reference. Main technical content: 3.2 Production batch: A batch of products with identical raw materials, chemical materials, auxiliary materials, process conditions, and product specifications, produced continuously, also known as a large batch number. 3.3 Inspection batch: A batch of products sampled periodically within a certain range to inspect the stability of product quality during continuous production. 4 Specifications, marking, and classification 4.1 Specifications are expressed in linear density (dtex) and the number of single filaments (f). Example: A polyester preoriented yarn with a linear density of 268 dtex and 48 single filaments, whose product specification is represented as 268 dtex/48 f. 4.2 Marking is based on product specifications and production processes. Example: 268 dtex/48 f POY. 4.3 Classification of polyester preoriented yarns includes: --- - AA grade (superior quality) - A grade (first-class quality) - A-- grade - B grade (qualified quality) Note: Products below the qualified grade are classified as C grade (substandard quality).