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GB/T 12626.3: Historical versions
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Hard fibre board -- Part 3: Sampling and measurements of test pieces
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Hard fibreboard--Sampling and measurement of test pieces
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Basic data
| Standard ID | GB/T 12626.3-2009 (GB/T12626.3-2009) |
| Description (Translated English) | Hard fibre board -- Part 3: Sampling and measurements of test pieces |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B70 |
| Classification of International Standard | 79.060.20 |
| Word Count Estimation | 5,518 |
| Date of Issue | 2009-09-30 |
| Date of Implementation | 2009-12-01 |
| Older Standard (superseded by this standard) | GB/T 12626.3-1990 |
| Quoted Standard | GB/T 17657 |
| Regulation (derived from) | National Standard Approval Announcement 2009 No.10 (Total No.150) |
| 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 wet hardboard physical and mechanical properties of the specimen sampling and sawing, measuring specimen size. This section applies to GB/T as defined in 3. 1 Wet hardboard 12626. 1-2009. |
GB/T 12626.3-2009: Hard fibre board -- Part 3: Sampling and measurements of test pieces
---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.
Hard fibreboard Part 3. Sampling and measurements of test pieces
ICS 79.060.20
B70
National Standards of People's Republic of China
Replacing GB/T 12626.3-1990
Wet hardboard
Part 3. Specimen Samples and measurements
Posted 2009-09-30
2009-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 12626 "wet hardboard" is divided into nine sections.
--- Part 1. Definitions and classification;
--- Part 2. Common requirements for all board types;
--- Part 3. Specimen Samples and measurements;
--- Part 4. General plate for use in dry conditions;
--- Part 5. Common plate under wet conditions of use;
--- Part 6. ordinary plate under high humidity conditions of use;
Ordinary plate under outdoor conditions of use;. --- Part 7
--- Part 8. under dry conditions using carrier plate;
--- Part 9. humid conditions bearing plate used.
This section GB/T Part of 312,626.
This part is GB/T 12626.3-1990 "hardboard" amendments.
This Part replaces GB/T 12626.3-1990.
This section compared with the GB/T 12626.3-1990 main technical changes are as follows.
--- Remove the sawing requires absorption of the specimen;
--- Increased 24h thickness swelling, 2h boiled in the boiling water bond strength after 70 ℃ water immersion MOR specimens sawn
Claim.
This part by the State Forestry Administration.
This part of the National Standardization Technical Committee centralized wood-based panels.
This section is responsible for drafting units. China Forestry Science Institute of Wood Industry.
Participated in the drafting of this section. Dunhua Danfeng forestry fiberboard limited liability company, Yichun City, Heilongjiang Province friendship and fibreboard plant in Henan Province
Ltd. Xinxiang Tyrone system board.
The main drafters of this section. Fan Yang, Qu Yan Chun, Wang new, Rencheng Bin, Debris, Pan Yulin.
This section was first released in October 1980, in December 1990 the first amendment, this is the second revision.
Wet hardboard
Part 3. Specimen Samples and measurements
1 Scope
GB/T 12626 provisions of this part of the wet hardboard physical and mechanical properties of specimen sampling and sawing, specimen size measurements.
This section applies to GB/T defined in 3.1 wet hardboard 12626.1-2009.
2 Normative references
The following documents contain provisions which, through reference GB/T 12626 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 17657 panels and veneer plywood physical and chemical performance test method
3 specimen sampling and sawn
3.1 Specimen sampling
Specimen sampling the finished store 24h later time.
3.2 specimen sawn
3.2.1 Interception of half a sheet for each test from the sheet, in accordance with regulations 1 interception 500mm × 500mm specimen.
Millimeters
Figure 1 a schematic cut sample
3.2.2 Preparation Referring to Figure 2 specimen, specimen size, and the numbering of Table 1. At least one specimen is cut from a side edge of the plate
Sawing unit, the minimum distance between two specimens of the same test items should be 100mm.
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