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GB/T 27651-2023: Use category and requirements for preservative-treated wood
Status: Valid GB/T 27651: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 27651-2023 | English | 189 |
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Use category and requirements for preservative-treated wood
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GB/T 27651-2023
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| GB/T 27651-2011 | English | 319 |
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Use category and specification for preservative-treated wood
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GB/T 27651-2011
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PDF similar to GB/T 27651-2023
Basic data | Standard ID | GB/T 27651-2023 (GB/T27651-2023) | | Description (Translated English) | Use category and requirements for preservative-treated wood | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B71 | | Classification of International Standard | 79.010 | | Word Count Estimation | 9,919 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Older Standard (superseded by this standard) | GB/T 27651-2011 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 27651-2023: Use category and requirements for preservative-treated wood---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.
ICS 79:010
CCSB71
National Standards of People's Republic of China
Replace GB/T 27651-2011
Classification and requirements for the use of anticorrosive wood
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 27651-2011 "Classification and Requirements for the Use of Anticorrosive Wood": Compared with GB/T 27651-2011, except for
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Deleted the drug loading of micronized copper quaternary ammonium (MCQ) and copper azole CuAz-1 (see Table 2 of the:2011 version);
b) Added copper azole CuAz-5, CuAz-6, CuAz-7, micronized copper azole (MCA-4), hexaconazole, cyproconazole, triazole and prothioconazole
Azole drug loading (see Table 2);
c) Changed the drug loading of copper azole CuAz-4 in C4:2 (see Table 2, Table 2 of the:2011 version);
d) Changed the use scope of copper chromium arsenic (CCA-C) (see Table 2, Table 2 of the:2011 version);
e) Increased drug loading capacity of 4,5-dichloro-N-n-octyl-4-isothiazolin-3-one (DCOI) (see Table 2);
f) Increased the drug loading of copper naphthenate (CuN) in C4:1 and C4:2 (see Table 2);
g) The usage range and drug loading capacity of bis-(N-cyclohexyldiazenedio)copper (CuHDO) have been changed (see Table 2,:2011 version
Table 2);
h) Added quality requirements for anti-corrosion treatment of outdoor bamboo laminated materials (see 5:1:4 and 5:2:5);
i) Added requirements for the penetration depth of exposed heartwood on the surface of the wood (see 5:3):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the State Forestry and Grassland Administration:
This document is under the jurisdiction of the National Timber Standardization Technical Committee (SAC/TC41):
This document was drafted by: Wood Industry Research Institute of the Chinese Academy of Forestry Sciences, Fengsheng (Guangzhou) Building Materials Co:, Ltd:, Guolin Yijing (Jing)
Jiang) Wood Industry Technology Co:, Ltd:, Longzhu Technology Group Co:, Ltd:, Jiusheng Flooring Co:, Ltd:, Zhejiang Shiyou Wood Industry Co:, Ltd:, Guangdong
Provincial Academy of Forestry Sciences, International Bamboo and Rattan Center, Fujian Zhangping Mucun Forest Products Co:, Ltd:, Shanghai Wood Industry Research Institute Co:, Ltd:, Anhui
University of Technology, Jiangsu Yuanda Wood Structure Cooling Tower Co:, Ltd:, Zhejiang Shenghua Yunfeng New Materials Co:, Ltd:, Hunan Jimu Wood Industry Co:, Ltd:, Beijing
Sheng Hualin Wood Protection Technology Co:, Ltd:
The main drafters of this document: Jiang Mingliang, Zhang Jingpeng, Ma Xingxia, Xie Guijun, Qin Daochun, Li Huiming, Ma Zuorui, Tian Qikui, Zhang Hao, Wu Zheyan,
Su Haitao, Zhang Bin, Yuan Chenglong, Lian Jianchang, Jiang Jianzhong, Shao Hailong, Chen Long, Qu Wei, Huang Guolin, Wu Dejian, Li Xingwei, Chen Yu:
The previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 27651-2011 in:2011;
---This is the first revision:
Classification and requirements for the use of anticorrosive wood
1 Scope
This document stipulates the classification of use of anticorrosive wood in different use environments and the degree of risk of fungal and insect infestation, as well as the requirements that should be met after treatment:
Requirements for drug dosage and penetration:
This document is applicable to the quality supervision of anticorrosive wood treatment:
2Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 14019 Wood anticorrosion terminology
GB/T 23229-2023 Analysis method for water-borne wood preservatives
GB/T 27654-2023 Wood preservatives
GB/T 33021-2016 Methods for analysis of organic wood preservatives triazole and benzimidazole
GB/T 33041 Regional division of wood decay and termite hazard levels in China
LY/T 3195-2020 Quality Requirements for Anticorrosive Bamboo
3 Terms and definitions
The terms and definitions defined in GB/T 14019 and the following apply to this document:
3:1
Organisms that cause wood spoilage (deterioration and damage):
Note: Including microorganisms (mainly wood-rotting fungi, color-changing fungi and molds), insects (mainly wood pests) and marine borers:
3:2
Drug load retention
Amount of drug inhaled
(preservative) retention amount
The mass of active ingredients of the preservative retained in unit volume of wood after preservative treatment:
Note: The unit is kg/m3:
3:3
Penetration
The extent to which preservatives (active ingredients) penetrate into wood:
Note: Including the depth of penetration of the preservative into the wood and the penetration rate of the preservative into the sapwood:
3:4
The depth of preservative (active ingredient) penetration into the wood sapwood as a percentage of the total depth of the wood (same side) sapwood:
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