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GB/T 20223-2025Cotton linter (English PDF)

棉短绒

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 20223-2025 is the English-translated version of 棉短绒.

GB/T 20223-2025 is the Chinese standard "Cotton linter". Its scope clause reads: This document specifies the categories, quality requirements, sampling, inspection rules, inspection reports, packaging and labeling, storage and transportation of cotton linters.

The content describes the corresponding testing methods. This document applies to the production, sale, storage, and use of cotton linters. Its clauses include terms and definitions.

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Document preview — GB/T 20223-2025

National Standard of the People's Republic of China

ICS: 59.060.10
Classification: W 10
Replacing: GB/T 20223-2018

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and Definitions
3.2 mature fiber
3.3 immature fiber

1 Scope

This document specifies the categories, quality requirements, sampling, inspection rules, inspection reports, packaging and labeling, storage and transportation of cotton linters.

The content describes the corresponding testing methods.

This document applies to the production, sale, storage, and use of cotton linters.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB 1103.1 Cotton - Part 1.Saw-ginned lint cotton

GB/T 6097 Sampling Method for Cotton Fiber Testing

GB/T 6102.1 Test method for moisture regain of raw cotton - Oven drying method

GB/T 6499-2022 Test Method for Impurity Content in Raw Cotton

GB/T 6682 Specifications and test methods for water used in analytical laboratories

GB 6975 Cotton Packaging

GB/T 8170 Rules for rounding off numerical values and the representation and determination of limiting values

GB/T 13777 Test Method for Maturity of Cotton Fibers - Microscopic Method

GB/T 13786 Simulated Daylight Illumination for Cotton Grading Rooms

GB/T 19617 Test Method for Cotton Length - Hand-Torn Ruler Method

GB/T 41690 Quantitative Test Method for Foreign Fibers in Raw Cotton (Manual Method)

3 Terms and Definitions

The terms and definitions defined in GB 1103.1 and the following terms and definitions apply to this document.

3.1

Cotton fibers scraped off from cottonseed after ginning.

3.2 mature fiber

Well-developed fibers with thick cell walls.

Note. After swelling with 18% sodium hydroxide solution, the fibers are non-curved and approximately rod-shaped, with a cell wall thickness greater than or equal to one-quarter of their maximum width.

3.3 immature fiber

Fibrous cells that are underdeveloped and have thin cell walls.

Note. After swelling with 18% sodium hydroxide solution, the fibers appear as spirals or flattened ribbons, the cell walls are almost transparent, and the cell wall thickness is less than one-quarter of its maximum width.

one.

GB/T 18147.3 | GB/T 18147.4 | GB/T 18147.5 | GB/T 20014.28 | GB/T 15031 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Editions of GB/T 20223

Edition	Title	Revision	Status
GB/T 20223-2025	Cotton linter	current edition	Current
GB/T 20223-2018	Cotton linter	previous edition	In force
GB/T 20223-2006	Cotton linter	previous edition	Obsolete

This page sells the current edition, GB/T 20223-2025. Earlier editions are listed for reference only.

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