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GB/T 23471-2018: Laminated impregnated paper strawboard composite flooring
Status: Valid GB/T 23471: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23471-2018 | English | 199 |
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3 days [Need to translate]
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Laminated impregnated paper strawboard composite flooring
| Valid |
GB/T 23471-2018
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| GB/T 23471-2009 | English | 399 |
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3 days [Need to translate]
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Laminated impregnated paper strawboard composite floor
| Obsolete |
GB/T 23471-2009
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PDF similar to GB/T 23471-2018
Basic data | Standard ID | GB/T 23471-2018 (GB/T23471-2018) | | Description (Translated English) | Laminated impregnated paper strawboard composite flooring | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.060.99 | | Word Count Estimation | 10,144 | | Date of Issue | 2018-06-07 | | Date of Implementation | 2019-01-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 23471-2018: Laminated impregnated paper strawboard 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.
Laminated impregnated paper strawboard composite flooring
ICS 79.060.99
B70
National Standards of People's Republic of China
Replace GB/T 23471-2009
Impregnated paper laminated straw composite floor
Published on.2018-06-07
2019-01-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 23471-2009 "impregnated paper laminated straw composite floor".
Compared with GB/T 23471-2009, the main technical changes of this standard are as follows.
---Modified terms and definitions (see Chapter 3, Chapter 3 of the.2009 edition);
--- Modified stain, corner defect, and chipping index values (see Table 1, Table 1 of the.2009 edition);
--- Revised the thickness deviation index (see Table 2, Table 2 of the.2009 edition);
---Modified static bending strength, internal bonding strength, water absorption thickness expansion rate, surface scratch resistance, dimensional stability, surface resistance to cigarette burning, table
Surface dry heat resistance, surface contamination resistance, surface crack resistance and formaldehyde release limit indicators (see Table 3, Table 3 of the.2009 edition);
--- Modified the formaldehyde emission test method (see 5.3.17,.2009 edition 5.3.17).
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard was proposed by the National Forestry and Grassland Bureau.
This standard is under the jurisdiction of the National Forestry Biomass Materials Standardization Technical Committee (SAC/TC416).
This standard was drafted. Jiangsu Luoji Wood Industry Co., Ltd., Nanjing Forestry University, Shanghai Timber Industry Research Institute Co., Ltd., Wanhua Ecology
Board Industry Co., Ltd., Shandong Xingang Enterprise Group Co., Ltd., Jiangsu Zhongxin Desai Wood Industry Co., Ltd., Dehua Bunny Decoration New Materials
Co., Ltd., Yellow River Delta Jingbo Chemical Research Institute Co., Ltd., Zhejiang Shenghua Yunfeng New Material Co., Ltd., Zhejiang Jufeng Wood Industry Co., Ltd.
Limited company, Deqing Yufeng Decoration Materials Co., Ltd., Jiangsu Kendi Asia Wood Co., Ltd.
The main drafters of this standard. Shen Mingsheng, Huang Helang, Sun Xiaomiao, Jiang Haidong, Wei Ming, Yao Yong, Xie Xuqin, Chen Jianming, Tao Ye, Lu Bin,
Shen Shichu, Sun Fengliang, Li Bo, Lu Rongjin, Yan Jianqiang, Yang Yuqi, Yan Haixing.
The previous versions of the standards replaced by this standard are.
---GB/T 23471-2009.
Impregnated paper laminated straw composite floor
1 Scope
This standard specifies the terms and definitions, requirements, test methods, inspection rules, and signs, packaging, and impregnation of laminated laminated straw composite flooring.
Transportation and storage.
This standard applies to the production, sales, supervision, inspection and circulation of impregnated paper laminated straw composite flooring.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2828.1-2012.Sampling procedures for sampling by sampling - Part 1 . Batch-by-batch inspections by Retrieving Quality of Acceptance (AQL)
plan
GB/T 15102-2017 impregnated film paper veneer wood-based panel
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and veneered panels
GB/T 18102-2007 impregnated paper laminated wood flooring
GB 18580-2017 Indoor decoration materials, artificial release boards and their products, formaldehyde release limit
GB/T 21723-2008 wheat (rice) straw particle board
3 Terms and definitions
GB/T 15102-2017, GB/T 18102-2007 and GB/T 21723-2008 define the following terms and definitions apply
In this document. For ease of use, some of the terms and definitions in GB/T 21723-2008 are repeated below.
3.1
Wheat (rice) straw chipboard wheat/rice-strawparticleboard
Using wheat (rice) straw as raw material and isocyanate (MDI) resin as adhesive, by pulverizing, drying, sorting, sizing, forming, pre-pressing, heat
Plates made by pressing, cooling, trimming and sanding.
[GB/T 21723-2008, definition 3.1]
3.2
Film coated with thermosetting amino resin, coated on the surface of wheat (rice) straw particleboard with a density greater than 0.85g/cm3, plus
Decorative layer, wear layer, balance layer on the back, and hot-pressed floor.
4 requirements
4.1 grade
According to the appearance quality of the product, it is divided into excellent products and qualified products.
4.2 Appearance quality
4.2.1 Appearance quality requirements shall be in accordance with Table 1.
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