GB/T 4925-2008 English PDF

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GB/T 4925-2008: Fishing nets -- Method of test for the determination of strength and breaking elongation of netting of synthetic fiber
Status: Valid

GB/T 4925: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4925-2008	189	Add to Cart	3 days	Fishing nets -- Method of test for the determination of strength and breaking elongation of netting of synthetic fiber	Valid
GB/T 4925-1985	199	Add to Cart	2 days	Testing method for breaking load and elongation of netting of synthetic fibre	Obsolete

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GB 5009.261   SC/T 4030   GB/T 3939.2   GB/T 6963   GB/T 3939.1   

Basic data

Standard ID: GB/T 4925-2008 (GB/T4925-2008)
Description (Translated English): Fishing nets -- Method of test for the determination of strength and breaking elongation of netting of synthetic fiber
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B56
Classification of International Standard: 65.150
Word Count Estimation: 8,862
Date of Issue: 2008-08-22
Date of Implementation: 2008-12-01
Older Standard (superseded by this standard): GB/T 4925-1985
Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of fishing with synthetic mesh breaking strength, elongation and tear strength mesh equipment, testing requirements, sampling and sample processing, test methods, data processing and results are shown. This standard applies to fishing with synthetic mesh breaking strength, elongation and tear strength test mesh.

GB/T 4925-2008: Fishing nets -- Method of test for the determination of strength and breaking elongation of netting of synthetic fiber

---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.
Fishing nets. Method of test for the determination of strength and breaking elongation of netting of synthetic fiber ICS 65.150 B56 National Standards of People's Republic of China Replacing GB/T 4925-1985 Synthetic mesh nets strength and fracture Elongation Test Method Posted 2008-08-22 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 4925-1985 "synthetic nets are breaking strength and elongation at break test methods." This standard and GB/T 4925-1985 compared to the main changes are as follows. --- Increasing the normative references clause; --- The definition of a standard increases the chapter; --- Delete the original standard "2 pilot projects"; --- Increased this standard "4 instrument"; --- Delete the original standard mesh strength test content, mesh strength test according to GB/T 21292-2007 "mesh nets breaking strength Determination of force "provisions; --- Original standard "test conditions 3" Modifying oriented standard "5 Test requirements", also along with technical content modification; --- The standard test used by Air SC/T 5014 "gear basic conditions for Testing and Materials standard atmosphere" has been revised, the equilibration time Also accompanying modification; --- The standard data processing and results are shown in the original standard to calculate the average irregularity coefficient of variation (coefficient of variation) calculation, In order to meet the requirements of quality assessment of synthetic fishing nets tablets. The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee of Fisheries fishing gear and fishing tackle material Technical Committee (TC156/SC4) centralized. This standard was drafted. Ministry of Agriculture, rope nets Product Quality Supervision and Testing Center, Chinese Academy of Fishery Sciences East China Sea Fisheries Institute The study. The main drafters of this standard. Chaixiu Fang, stone built high Tangzhen Ming. This standard replaces the standards previously issued as follows. --- GB/T 4925-1985. Synthetic mesh nets strength and fracture Elongation Test Method

1 Scope

This standard specifies the determination of fishing synthetic mesh breaking strength, elongation and tear strength of the mesh equipment, testing requirements, take Sampling and sample processing, test methods, data processing and results are shown. This standard applies to fishing with synthetic mesh breaking strength, elongation and tear strength mesh test.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6965 gear material testing basic conditions for pre-tension GB/T 8170 numerical rounding rules SC110-1983 synthetic twine Test Method SC/T 5001-1995 term basic gear material SC/T 5014 gear material testing basic standard atmospheric conditions

3 Terms and Definitions

SC/T 5001-1995 and established in the following terms and definitions apply to this standard. 3.1 Placed in the standard atmospheric conditions of the laboratory, more than 6h balanced sample. 3.2 Placed in a water temperature of 20 ℃ ± 2 ℃ water immersion 6h or more samples. 3.3 Twisted warp direction. 3.4 Warp and weft direction interspersed. 3.5 Woven warp direction. 3.6 Woven weft direction. ......

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