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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: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4925-2008 | English | 189 |
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Fishing nets -- Method of test for the determination of strength and breaking elongation of netting of synthetic fiber
| Valid |
GB/T 4925-2008
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| GB/T 4925-1985 | English | 199 |
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2 days [Need to translate]
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Testing method for breaking load and elongation of netting of synthetic fibre
| Obsolete |
GB/T 4925-1985
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PDF similar to GB/T 4925-2008
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Count Estimation | 8,862 | | Date of Issue | 2008-08-22 | | Date of Implementation | 2008-12-01 | | Older Standard (superseded by this standard) | GB/T 4925-1985 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.14 (Total No.127) | | Issuing agency(ies) |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
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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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