Valid

GB/T 11603-2022Determination of mean diameter of wool fibres - Air permeability method (English PDF)

羊毛纤维平均直径测定法气流法

Preview PDF

This is a limited preview

Buy now to download the full PDF (30 pages)

Need quotation for your management?

Get a formal quotation for GB/T 11603-2022 in 30 minutes.

Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

December 30, 2022

Implementation date

July 1, 2023

Scope

GB/T 11603-2022 is the English-translated version of 羊毛纤维平均直径测定法气流法.

GB/T 11603-2022 is the Chinese standard "Determination of mean diameter of wool fibres - Air permeability method". Its scope clause reads: This document describes a test method for the determination of the mean diameter of wool fibers using an air flow meter.

This document is applicable to the fiber diameter detection of greasy wool, scoured wool, carbonized wool and combed wool. This document does not apply to foreign wool fibres. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 11603-2022

National Standard of the People's Republic of China

ICS: 59.060.10
Classification: W 04
Replacing: GB/T 11603-2006

Issued by: State Administration for Market Regulation, China National Standardization Administration

1 Scope
2 Normative references
3 Terms and Definitions
3.1 Greasy hairy greasywool
3.2 scouredwool
3.3 carbonized wool
3.4 Combed top worstedtop
3.5 laboratory sample
3.6 sample testsample

1 Scope

This document describes a test method for the determination of the mean diameter of wool fibers using an air flow meter.

This document is applicable to the fiber diameter detection of greasy wool, scoured wool, carbonized wool and combed wool.

This document does not apply to foreign wool fibres.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 5706 Textile Wool Textile Product Terminology

GB/T 6529 Standard atmosphere for conditioning and testing textiles (GB/T 6529-2008, ISO 139.2005, MOD)

GB/T 6978 Test Method for Cleaning Rate of Greasy Wool Oven Method

GB/T 8170 Numerical rounding off rules and expression and determination of limit values

3 Terms and Definitions

The following terms and definitions defined in GB/T 5706 apply to this document.

3.1 Greasy hairy greasywool

Wool from sheep or from sheepskins that has not been washed, solvent degreased, charred or otherwise treated.

3.2 scouredwool

Wool fiber after washing to remove sweat fat, dust and dirt.

3.3 carbonized wool

The wool fiber after chemical treatment such as sulfuric acid embrittles and removes vegetable impurities.

3.4 Combed top worstedtop

After the washed wool is mixed with oil, it is combed, merged and drawn by carding machine, needle carding machine and combing machine, and the fibers made are relatively parallel and straight.

Tops.

3.5 laboratory sample

The fiber or top used for moisture conditioning, as the source of the sample.

3.6 sample testsample

A sample taken from a laboratory sample for a single test. […]

......
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

ISO 139.2005

Cited by

GB/T 40184-2021Technical code of breeding practice with genomic selection for livestock and poultry

How to Download GB/T 11603-2022

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.