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GB/T 43170-2023Rugulations for sampling and testing of wool (English PDF)

羊毛取样和试验规则

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 7, 2023

Implementation date

April 1, 2024

Scope

GB/T 43170-2023 is the English-translated version of 羊毛取样和试验规则.

This document specifies the requirements for drawing representative quality samples and lot samples from bales of wool, whether soft or hard packed, directly or with suitable tools, the procedure and requirements for that sampling, and the test methods, retesting and certificates for staple, base, fibre diameter and the other characteristics.

The document applies to the sampling of raw wool in production, trading, processing and quality supervision.

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Document preview — GB/T 43170-2023

National Standard of the People's Republic of China

ICS: 59.060
Classification: W 21

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

Foreword
1 Scope
2 Normative reference documents
3 Terms and definitions
4 Instruments and Tools

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the requirements for obtaining representative quality samples and batch samples directly from soft or hard sheep wool bales or using appropriate tools.

The operation process and requirements, as well as the test methods, re-inspection and certificate requirements for hair clusters, hair base, fiber diameter, etc.

This document applies to the sampling process of production, trading, processing and quality supervision of raw sheep wool.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB 1523 Sheep wool

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

GB/T 6978 Test method for cleaning rate of greasy wool-Oven method

GB/T 14270 Test method for plush fiber type content

GB/T 14271 Test method for plush net wool ratio - Hydraulic method

GB/T 27629 Test method for breaking strength of plush bundle fibers

GB/T 41558 Test method for tuft length strength

3 Terms and definitions

The terms and definitions defined in GB 1523 and below apply to this document.

3.1 Wool lots

Bulk bulk batches and transaction batches during the transaction process.

4 Instruments and Tools

4.1 Pack opener

4.1.1 Pack openers

for packaging of non-thermoplastic materials Sharp knives, pliers.

4.1.2 Pack openers for thermoplastic

packaging A metal rod or sharp knife that can melt and wrap fabric without lint, creating slits and tears.

4.2 Sample grabbing machine

For the jaw function of the sample grabbing machine, see A.1 in Appendix A, and for the sample grabbing method, see A.2.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 16256-2008|GB/T 17644-2008|GB 1523-2026|GB 18267-2026|GB/T 14593-2026|GB/T 16602-2026

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