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GB/T 24507-2020: Laminate engineered wood flooring
Status: Valid GB/T 24507: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24507-2020 | English | 259 |
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3 days [Need to translate]
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Laminate engineered wood flooring
| Valid |
GB/T 24507-2020
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| GB/T 24507-2009 | English | 439 |
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3 days [Need to translate]
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Decorative sheets based on thermosetting resins laminated parquet
| Obsolete |
GB/T 24507-2009
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PDF similar to GB/T 24507-2020
Basic data | Standard ID | GB/T 24507-2020 (GB/T24507-2020) | | Description (Translated English) | Laminate engineered wood flooring | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.080 | | Word Count Estimation | 14,169 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Older Standard (superseded by this standard) | GB/T 24507-2009 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 24507-2020: Laminate engineered wood flooring---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.
Laminate engineered wood flooring
ICS 79.080
B70
National Standards of People's Republic of China
Replace GB/T 24507-2009
Impregnated paper laminated parquet
2020-12-14 release
2021-07-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 24507-2009 "Impregnated Paper Laminate Veneer Multilayer Parquet". And GB/T 24507-2009
In comparison, with the exception of editorial changes, the main technical changes are as follows.
---Modified the scope (see Chapter 1, Chapter 1 of the.2009 edition);
---Modified the normative reference documents (see Chapter 2, Chapter 2 of the.2009 edition);
---Modified some terms and definitions (see Chapter 3, Chapter 3 of the.2009 edition);
---Modify the classification, according to the surface shape classification, modify the original standard "relief surface" to "non-planar"; add "according to the surface wear resistance, etc.
Fraction", delete the original standard "According to the amount of formaldehyde emission" (see Chapter 4, Chapter 4 of the.2009 edition);
---Revised the appearance quality, size and deviation (see 5.2, 5.3, 5.3, 5.4 of the.2009 edition)
---Modified the surface scratch resistance and surface wear resistance level requirements (see 5.4.1, 5.5 in the.2009 edition);
---Modified the method of specimen preparation, the static bending strength and elastic modulus specimens are modified from different specimens specified in the original standard to the same specimen (see
6.3.1.4, 6.3.1.3 of the.2009 edition);
---Added the surface damp and heat resistance requirements and inspection methods (see Table 3 and 6.3.12);
--- Modified the formaldehyde emission requirements and inspection methods (see 5.4.2 and 6.3.14, 5.5 and 6.3.13 in the.2009 edition).
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This standard was proposed by the State Forestry and Grassland Administration.
This standard is under the jurisdiction of the National Wood-based Panel Standardization Technical Committee (SAC/TC198).
Drafting organizations of this standard. Research Institute of Wood Industry, Chinese Academy of Forestry, Jiangxi Provincial Product Quality Supervision and Inspection Institute, Hongmu Fangjia
Science and Technology (Huzhou) Co., Ltd., Zhejiang Forest Product Quality Inspection Station, Suzhou Kaipai Wood Co., Ltd., Changzhou Guanlin Decoration Materials Co., Ltd.
Company, Shanghai Timber Industry Research Institute Co., Ltd., Shanghai Institute of Quality Supervision and Inspection Technology, Shuxiangmendi (Shanghai) Aesthetics Home Furnishing Co., Ltd.
Co., Ltd., Baroque Wood (Zhongshan) Co., Ltd., Zhejiang Yuhua Wood Co., Ltd., Jiangsu Senmao Bamboo and Wood Co., Ltd., Shengxiang Group Co., Ltd.
Company, Suzhou David Wood Co., Ltd., Zhejiang Yunfeng Moganshan Flooring Co., Ltd., Jiangsu Kendia Wood Co., Ltd., Hunan St. Paul Wood
Industry Co., Ltd., Anhui Yangzi Flooring Co., Ltd., Dehua Rabbit Baby Decoration New Material Co., Ltd., Beijing Building Material Inspection and Research
Institute Co., Ltd., Shanghai Huili Group Co., Ltd., Suzhou Dongda Wood Co., Ltd., Shouguang Luli Wood Co., Ltd., Shenzhen
Songboyu Technology Co., Ltd., Deqing County Huma Zhonghuanjia Technology Co., Ltd.
The main drafters of this standard. Peng Limin, Zhu Qin, Zhang Chao, Lu Jun, Deng Kan, Hu Zhonghua, Qiu Jiada, Tian Qikui, Li Wenzhong, Bu Lixin,
Lin Deying, Jin Yuehua, Liu Hailiang, Chen Danan, Jiang Wei, Gao Shuichang, Li Haixing, Yang Suwen, Lei Xiang, David, Wang Xinghua, Wang Bangying, Li Wei,
Guo Zhiwu, Zhan Xiongguang, Zhao Yongxuan, Wu Zhongqi, Tang Zhaoqun, Liu Meihong, Fan Zhengqiang, Zhuang Qiying, Xu Zhengge.
The previous versions of the standard replaced by this standard are as follows.
---GB/T 24507-2009.
Impregnated paper laminated parquet
1 Scope
This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules and markings, and packaging of impregnated paper-laminated solid wood composite flooring.
Loading, transportation, storage, etc.
This standard applies to impregnated paper laminated solid wood composite flooring.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL)
plan
GB/T 15102-2017 Impregnated film paper facing fiberboard and particleboard
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels
GB/T 18102 impregnated paper laminated wood floor
GB/T 18103-2013 Solid wood composite floor
GB/T 18259-2018 Artificial board and its surface decoration terms
GB 18580 The limit of formaldehyde emission in wood-based panels and products of interior decoration materials
GB/T 39600-2020 Classification of formaldehyde emission of wood-based panels and their products
3 Terms and definitions
The following terms and definitions defined in GB/T 18259-2018 apply to this document. For ease of use, the following is repeated
Certain terms and definitions in GB/T 18259-2018.
3.1
The thermosetting amino resin is impregnated with one or more layers of special paper, and after drying, it is spread on the front of the plywood substrate, and the surface of the special paper is wear-resistant
Layer, balance layer can be added on the back of the substrate. Hot-pressed and molded floor.
3.2
Fissure
The resin is over-cured during the hot pressing process or the expansion and contraction of the surface layer and the bottom layer are different, and irregular cracks are generated on the surface of the product.
3.3
Blow, blisters
Due to the failure of the gluing, there are defects in the board and local protrusions on the surface.
[GB/T 18259-2018, definition 2.45]
3.4
Bulge
Local abnormal bumps caused by solid objects on the surface of the product.
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