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GB/T 40628-2021 English PDF

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GB/T 40628-2021: Test method for seed cotton lint percentage - Process of sawtooth pattern
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 40628-2021119 Add to Cart 3 days Test method for seed cotton lint percentage - Process of sawtooth pattern Valid

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Basic data

Standard ID: GB/T 40628-2021 (GB/T40628-2021)
Description (Translated English): Test method for seed cotton lint percentage - Process of sawtooth pattern
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W10
Word Count Estimation: 6,658
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40628-2021: Test method for seed cotton lint percentage - Process of sawtooth pattern

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for seed cotton lint percentage - Process of sawtooth pattern ICS 59.060.10 CCS W10 National Standards of People's Republic of China Test method for percentage of seed cotton coat zigzag test rolling method Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document is under the jurisdiction of the National Fiber Standardization Technical Committee (SAC/TC513). Drafting organizations of this document. Hebei Hengxing Testing Equipment Technology Co., Ltd., Xinjiang Uygur Autonomous Region Fiber Quality Monitoring Center, Hebei Province Fiber Quality Monitoring Center, Shijiazhuang Customs Technology Center, Ningbo Institute of Inspection and Quarantine Science and Technology. The main drafters of this document. Lu Shidong, Lian Sumei, Du Weidong, Liu Pan, Zhao Fengyou, Li Hongjuan, Fu Kejie, Li Peng, Jiang Liman, Wei Hanying, Xu Zheng. Test method for percentage of seed cotton coat zigzag test rolling method

1 Scope

This document describes the principle of testing the percentage of seed cotton, equipment and test methods for the percentage of zigzag seed cotton. This document is applicable to the determination of the percentage of seed cotton.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations 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 1103.1 Cotton Part 1.Sawtooth processing fine-staple cotton GB/T 1103.3 Cotton natural colored fine-staple cotton GB/T 6102.1 Raw cotton moisture regain test sample method Oven method GB/T 6102.2 Test method for moisture regain of raw cotton Resistance method GB/T 6499 Test method for impurity content of raw cotton GB/T 8170 Numerical rounding rules and the expression and determination of limit values

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Lintpercentage The quality of lint rolled from the seed cotton accounts for the percentage of the corresponding seed cotton quality. Note. Usually divided into sweater percentage, quasi-heavy clothing percentage, and official clothing percentage. 3.2 Seed cotton soil trash percentage soilandtrashpercentageofseedcotton The mass of non-cotton fibrous substances other than cottonseed mixed into the seed cotton accounted for the percentage of the mass of the corresponding seed cotton sample. Note. Generally include dust, leaf debris, cotton stalks, bell shells and other materials. 3.3 Netseedcottonquality Exclude the quality of the soil impurities in the seed cotton. 3.4 Conditionedlintpercentageofseedcotton The nominal weight of lint rolled from the seed cotton accounts for the percentage of the corresponding seed cotton quality. 3.5 Conditionedlintpercentageofnetseedcotton The lint cotton rolled from the seed cotton accounts for the percentage of the corresponding net seed cotton mass.
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