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GB/T 2909-2025: Cotton grey canvas
Status: Valid GB/T 2909: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 2909-2025 | English | 199 |
Add to Cart
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3 days [Need to translate]
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Cotton grey canvas
| Valid |
GB/T 2909-2025
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| GB/T 2909-2014 | English | 299 |
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3 days [Need to translate]
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Cotton canvas for rubber industry
| Valid |
GB/T 2909-2014
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| GB/T 2909-1994 | English | 599 |
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4 days [Need to translate]
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Cotton canvas for rubber industry
| Obsolete |
GB/T 2909-1994
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| GB 2909.1-1982 | English | 199 |
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2 days [Need to translate]
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Cotton canvas for rubber industry--Technical requirements
| Obsolete |
GB 2909.1-1982
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PDF similar to GB/T 2909-2025
Basic data | Standard ID | GB/T 2909-2025 (GB/T2909-2025) | | Description (Translated English) | Cotton grey canvas | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W13 | | Classification of International Standard | 59.080.30 | | Word Count Estimation | 10,186 | | Date of Issue | 2025-02-28 | | Date of Implementation | 2027-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 2909-2025: Cotton grey canvas---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.
GB/T 2909-2025 English version. Cotton grey canvas
ICS 59.080.30
CCS W13
National Standard of the People's Republic of China
Replaces GB/T 2909-2014
Cotton canvas
Released on 2025-02-28
2027-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
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 for standardization documents"
Drafting.
This document replaces GB/T 2909-2014 "Cotton canvas for rubber industry". Compared with GB/T 2909-2014, except for the structural adjustment
In addition to editorial changes, the main technical changes are as follows.
--- Changed the scope (see Chapter 1, Chapter 1 of the.2014 edition);
--- Changed the definition and classification provisions (see Chapter 3, 5.1, Chapter 3, 5.2 of the.2014 edition);
---Physical and chemical properties were changed to intrinsic quality, and the assessment items of nep impurity defect rate and nep defect rate were added, and the fabric group was deleted.
The deviation of weaving, width deviation rate, fiber content deviation assessment items, unit area dry mass deviation changed to unit area pulp-free dry mass
The deviation rate of density and breaking strength have been changed (see Table 1, Table 1 of the.2014 edition);
--- Appearance quality has added fabric organization and width deviation rate assessment items, and the allowable score for fabric defects has been changed from points per square meter to points.
per 100 square meters, and improve the assessment indicators (see Table 2, Table 2 of the.2014 edition);
--- Deleted the inspection of fabric defects, the scoring rules for fabric defects, the cumulative scoring in 1m, the measurement of fabric defects, and the scoring of defects
Starting point and regulations (see Chapter 6 of the.2014 edition);
--- Added some test and inspection methods (see Chapter 6, Chapter 7 of the.2014 edition);
--- Changed some contents of the technical conditions. deleted the technical conditions of cotton canvas for rubber industry, added the yarn strength
Force utilization factor (see Appendix A, Appendix A of the.2014 edition);
--- Deleted the specific content of various types of fabric defects (see Appendix B of the.2014 edition);
--- Deleted the description of the defect name (see Appendix C of the.2014 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China National Textile and Apparel Council.
This document is under the jurisdiction of the National Technical Committee on Standardization of Textiles (SAC/TC209).
This document was drafted by. Shandong Lichang Textile Technology Co., Ltd., Shanghai Textile Industry Technical Supervision Institute, Jiangsu Dasheng Group Co., Ltd.
Shandong Lufan Group Waterproof Canvas Co., Ltd., Zhongheng Dayao Textile Technology Co., Ltd., Zhejiang Yubo Textile Co., Ltd., Shijiazhuang
Changshan Beiming Technology Co., Ltd., Zaozhuang Product Quality Supervision and Inspection Institute, Zhejiang Yuntai Textile Co., Ltd., China Cotton Textile Industry
association.
The main drafters of this document are. Liu Jianmin, Jiang Guoping, Zuo Shuwen, Ye Xiangwei, Zhang Hongliang, Wang Huan, He Guoqing, Ge Wenjun, Liu Bing, Wang Qiaohong,
Yang, Xiao-hui, and Zheng, Yu.
The previous versions of this document and the documents it replaces are as follows.
---First published in 1982 as GB/T 2909-1982;
---First revised in.1994, second revised in.2014;
---This is the third revision.
Cotton canvas
1 Scope
This document defines the terms and definitions of cotton canvas, gives the classification and marking, and specifies the requirements, inspection rules, marking, packaging, transportation, etc.
transportation and storage, and describes the corresponding test and inspection methods.
This document applies to machine-woven cotton unbleached canvas.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 17759 Method for inspection of defects on grey fabrics
GB/T 43831 Inspection, marking and packaging of pure and blended cotton and chemical fiber fabrics
FZ/T 10003 Test methods for canvas fabrics
FZ/T 10006 Test method for the rate of defects of cotton nep and impurities in grey fabrics
FZ/T 10025 Technical requirements for grey fabrics
FZ/T 10026 Test method for dry quality of unpainted fabric per unit area
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Cotton single yarn or multiple strands of yarn are used in the warp and weft directions to make thicker woven fabrics.
4 Classification and labeling
The product varieties, specifications, classification and marking of cotton natural canvas shall be carried out according to GB/T 43831 and FZ/T 10025 based on user needs.
5 Requirements
5.1 Grading Rules
5.1.1 The quality grades of cotton canvas are divided into superior quality, first quality and second quality. The quality lower than second quality is substandard quality.
5.1.2 Product quality includes internal quality and external quality. Internal quality is evaluated by criticism and external quality is evaluated by matching. The lowest of the two is the
The grade of the cloth is used as the grade of the cloth.
5.1.3 The length of the cotton canvas after being bales shall be determined according to the sales contract between the supplier and the buyer.
Note. Usually each piece of cloth is measured in 40m.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 2909-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 2909-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 2909-2025_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 2909-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 2909-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2909-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
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