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GB/T 24508-2020: Wood-plastic composite flooring
Status: Valid GB/T 24508: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24508-2020 | English | 319 |
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4 days [Need to translate]
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Wood-plastic composite flooring
| Valid |
GB/T 24508-2020
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| GB/T 24508-2009 | English | 759 |
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4 days [Need to translate]
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Wood-plastic composite flooring
| Obsolete |
GB/T 24508-2009
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PDF similar to GB/T 24508-2020
Basic data | Standard ID | GB/T 24508-2020 (GB/T24508-2020) | | Description (Translated English) | Wood-plastic composite flooring | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B70 | | Word Count Estimation | 17,131 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Older Standard (superseded by this standard) | GB/T 24508-2009 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 24508-2020: Wood-plastic composite 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.
(Wood plastic floor)
ICS 79.080
B70
National Standards of People's Republic of China
Replace GB/T 24508-2009
Wood plastic floor
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
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 24508-2009 "Wood Plastic Flooring". Compared with GB/T 24508-2009, this standard except for editorial changes
In addition, the main technical content changes are as follows.
---Modified the definition of wood plastic flooring (see 3.1,.2009 edition 3.1);
---Modified the classification method of wood plastic flooring (see Chapter 4, Chapter 4 of the.2009 edition);
--- Deleted the classification of products with superior appearance and qualified products on the front of the product (see the.2009 editions 5.1 and 5.2);
---Deleting the distortion and warpage indicators, adding flatness inspection methods and requirements (see 5.2 and 6.3,.2009 editions 5.3 and 6.3);
--- Delete the bending failure load index, add the minimum concentrated load inspection method and index (see 5.4 and 6.5.2;.2009 edition 5.5 and 6.5.2);
---Increase static bending strength, elastic modulus inspection methods and indicators (see 5.4 and 6.5.3);
---Modified the density index (see 5.4;.2009 edition 5.5);
---Revised the water absorption index (see 5.4;.2009 edition 5.5);
--- Delete the dimensional change rate index after heating (see the.2009 version 5.5 and 6.5.8);
---Increase linear thermal expansion coefficient inspection methods and indicators (see 5.4 and 6.5.15);
---Add boiling water resistance inspection methods and indicators (see 5.4 and 6.5.17);
---The resistance to cold and heat cycles, freeze-thaw resistance, and aging resistance respectively increase the surface state (see 5.4, 6.5.19, 6.5.20 and 6.5.21);
---Modified the inspection methods and indicators of formaldehyde emission (see 5.4 and 6.5.23;.2009 edition 5.5 and 6.5.21);
--- Delete the volatile inspection methods and inspection indicators, increase the total volatile organic compound (TVOC) release rate (72h) inspection method
Method and inspection index (see 5.4 and 6.5.27;.2009 edition 5.5 and 6.5.25);
---The size and number of test pieces for surface contamination and corrosion resistance have been modified (see 6.5.1,.2009 edition 6.5.1);
--- Adjust the inspection method of specifications (except for assembly separation seam and assembly height difference) to GB/T 19367-2009, and combine the surface
Strength, surface scratch resistance, and surface abrasion test methods are uniformly adjusted to GB/T 17657-2013 (see 6.3, 6.5.9, 6.5.10 and
6.5.11;.2009 editions 6.3, 6.5.12, 6.5.13 and 6.5.15);
--- Added phthalate inspection methods and indicators (see 5.4 and 6.5.22);
---Added the physical and chemical performance inspection sampling plan and the determination of the inspection results (see 7.3.4).
This standard was proposed by the State Forestry and Grassland Administration.
This standard is under the jurisdiction of the National Forestry Biomass Material Standardization Technical Committee (SAC/TC416).
Drafting organizations of this standard. Research Institute of Wood Industry, Chinese Academy of Forestry, Jiangsu Product Quality Supervision and Inspection Institute, Anhui Sen
Thai Wood Plastic Group Co., Ltd., Xuancheng Fomeida New Material Co., Ltd., Suzhou Tutaige Trading Co., Ltd., Southwest Forestry University, Yunnan
Yunye CITIC Plastic Wood New Material Co., Ltd., Shandong Xiaguang Group Co., Ltd., Nanjing Xuhua Shengluodi New Building Material Co., Ltd., Anhui Branch
Juxin Material Technology Co., Ltd., Anhui Yangzi Flooring Co., Ltd., Hunan Bangforte New Material Technology Co., Ltd., Jiangxi Ruijing Hongxing
Industrial Co., Ltd.
The main drafters of this standard. Fu Yuejin, Zhu Yuhong, Zhao Liyuan, Tang Daoyuan, Chen Futao, Shen Yonghua, Su Yanwei, Li Longjiao, Zhao Yueying,
Li Jing, Ye Runlu, Lei Xiang, Li Shizhen, Zhu Jiawen, Jin Zhi, Cheng Xianbao, Jia Dongyu, You Jia, Wang Chen, Chen Qian, Tang Lina, Wang Yan.
The previous versions of the standard replaced by this standard are as follows.
---GB/T 24508-2009.
Wood plastic floor
1 Scope
This standard specifies the terms and definitions, classification, requirements, inspection methods, inspection rules and signs, packaging, transportation, and storage of wood-plastic flooring.
This standard applies to wood plastic 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 references, the latest version (including all amendments) applies to this document.
GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 8814-2017 Unplasticized polyvinyl chloride (PVC-U) profiles for doors and windows
GB/T 13942.1-2009 Wood Durability Part 1.Laboratory Test Method for Natural Corrosion Resistance
GB/T 15102-2017 Impregnated film paper facing fiberboard and particleboard
GB/T 16422.2-2014 Plastic laboratory light source exposure test method Part 2.Xenon arc lamp
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels
GB/T 18102-2007 Impregnated paper laminated wood floor
GB 18580-2017 The limit of formaldehyde emission in wood-based panels and products of interior decoration materials
GB 18584-2001 Limits of harmful substances in interior decoration materials and wooden furniture
GB 18586-2001 Limits of harmful substances in PVC floor of interior decoration materials
GB/T 19367-2009 Determination of the size of wood-based panels
GB/T 29418-2012 Plastic-wood composite product physical and mechanical properties test
HJ571-2010 Technical Requirements for Environmental Labeling Products Artificial Panels and Products
HJ2540-2015 Technical Requirements for Environmental Labeling Products Wood Plastic Products
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Wood plastic floor
Wood, bamboo, crop straw and other wood fiber materials and thermoplastics are separately made into processing units. After mixing in a certain proportion,
Floors made by molding.
Note. Generally, the wood fiber content of the base material non-foamed wood plastic floor is not less than 50%; the wood fiber content of the base material foamed wood plastic floor is not less than 20%.
3.2
Plain wood plastic floor
The wood-plastic floor without other materials.
3.3
Finishing wood plastic floor
The wood-plastic floor with different material finishes.
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