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GB 1523-2026Wool (English PDF)

绵羊毛

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Issued by

State Administration for Market Regulation; Standardization Administration of China

Level / Type

National · Mandatory

Issue date

July 30, 2026

Implementation date

August 1, 2027

Scope

GB 1523-2026 is the English-translated version of 绵羊毛.

GB 1523-2026 is the Chinese standard "Wool". Its scope clause reads: This document specifies the specifications (or grades) of sheep wool, technical requirements, inspection requirements, inspection certificates, packaging, marking, storage, and transportation.

The document describes the sampling and testing methods for sheep wool, including requirements for re-inspection, etc. This document applies to the production, trading, processing, quality supervision, and import inspection and appraisal of sheep wool. Its clauses include terms and definitions.

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Document preview — GB 1523-2026

National Standard of the People's Republic of China

ICS
59.060.10
Classification
W 21

Issued by: State Administration for Market Regulation; Standardization Administration of China

Contents

  • 1.Scope1
  • 2 Normative references1
  • 3.Terms and Definitions1
  • 4.Technical Requirements5
  • 5 Sampling8
  • 6.Test methods9
  • 7.Inspection Requirements12
  • 8.Inspection Certificate13
  • Appendix A (Normative) Correspondence between average wool fiber diameter and quality count15
  • Appendix B (Normative) Test Method for Fine Wool Content (Percentage by Mass) of Native Species16
  • References19

1 Scope

This document specifies the specifications (or grades) of sheep wool, technical requirements, inspection requirements, inspection certificates, packaging, marking, storage, and transportation.

The document describes the sampling and testing methods for sheep wool, including requirements for re-inspection, etc.

This document applies to the production, trading, processing, quality supervision, and import inspection and appraisal of sheep wool.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

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/T 6500 Test Method for Moisture Regain of Plush Fibers - Oven Method

GB/T 6529 Standard Atmosphere for Conditioning and Testing of Textiles

GB/T 6976 Test method for natural length of wool tufts

GB/T 6977 Test methods for ethanol extract, ash, plant impurities and total alkali-insoluble matter in washed wool

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

GB/T 10685 Test Method for Diameter of Wool Fibers - Projection Microscopy

GB/T 14270 Test Method for Fiber Type Content of Plush

GB/T 14271 Test Method for Cleanliness of Wool and Plush Materials - Hydraulic Pressure Method

GB 18267 Cashmere

GB/T 27629 Test method for breaking strength of pile fibers

GB/T 35935 Test methods for average diameter and distribution of animal hair fibers - Laser scanning fiber diameter analysis

GB/T 41558 Test method for the length and strength of hair tufts

GB/T 43170 Rules for Sampling and Testing of Wool

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 wool

Fibers obtained from sheep (Ovis aries).

Note. Based on the degree of homogeneity, sheep wool can be divided into homogeneous wool (3.2), basically homogeneous wool (3.5) and heterogeneous wool (3.3).

[Source. GB/T 11951-2018, 3.1.3.1]

3.2 Homogeneous sheep wool

Homogeneous hair […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Similar standards

Editions of GB 1523

EditionTitleRevisionStatus
GB 1523-2026Woolcurrent editionCurrent

This page sells the current edition, GB 1523-2026. Earlier editions are listed for reference only.

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