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GB/T 17657-2022: Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
Status: Valid GB/T 17657: Evolution and historical versions
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Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
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PDF similar to GB/T 17657-2022
Standard similar to GB/T 17657-2022 GB 18580 GB/T 18103 GB/T 17656 GB/T 45245 Basic data | Standard ID | GB/T 17657-2022 (GB/T17657-2022) | | Description (Translated English) | Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.060.01 | | Word Count Estimation | 142,143 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 17657-2013 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17657-2022: Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels
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ICS 79.060.01
CCSB70
National Standards of People's Republic of China
Replace GB/T 17657-2013
Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels
Posted on 2022-12-30
2023-07-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test method 2
4.1 Measurement of specimen size 2
4.2 Density determination 3
4.3 Determination of moisture content 5
4.4 Determination of water absorption thickness expansion ratio --- method 1 5
4.5 Determination of water absorption thickness expansion ratio --- method 2 7
4.6 Determination of 24h water absorption 9
4.7 Determination of static bending strength and elastic modulus---three-point bending method 10
4.8 Determination of static bending strength and elastic modulus---four-point bending method 13
4.9 Determination of static bending strength --- dipping method 16
4.10 Determination of static bending strength---dipping-freezing-drying method 18
4.11 Determination of internal bond strength 19
4.12 Determination of internal bonding strength --- 2h boiling water method 22
4.13 Determination of moisture resistance --- boiling-drying method 22
4.14 Determination of moisture resistance --- cycle method 23
4.15 Determination of Surface Bonding Strength - Method 1 25
4.16 Determination of Surface Bonding Strength - Method 2 27
4.17 Determination of bond strength 29
4.18 Determination of adhesive layer shear strength 33
4.19 Determination of immersion peeling performance 34
4.20 Determination of peel resistance 35
4.21 Determination of screw holding force 37
4.22 Determination of impact toughness properties 40
4.23 Determination of Low Temperature Impact Toughness Properties 41
4.24 Determination of tensile strength 41
4.25 Determination of compressive strength along the grain 42
4.26 Determination of accelerated aging properties 43
4.27 Determination of sand content 46
4.28 Determination of coefficient of sliding friction 49
4.29 Determination of surface absorption properties 50
4.30 Determination of high temperature resistance performance 51
4.31 Determination of color fastness to light 51
4.32 Determination of color fastness to yellowing 53
4.33 Determination of color stability performance 53
4.34 Color difference measurement 55
4.35 Determination of Dimensional Stability - Method 1 56
4.36 Determination of Dimensional Stability - Method 2 58
4.37 Determination of Dimensional Stability - Method 3 61
4.38 Determination of Surface Water Vapor Resistance 62
4.39 Determination of Surface Cracking Resistance 64
4.40 Determination of surface resistance to cold and heat cycles --- method 1 65
4.41 Determination of surface resistance to cold and heat cycles --- method 2 65
4.42 Determination of Surface Scratch Resistance 66
4.43 Determination of Surface Pollution Resistance --- Method 1 70
4.44 Determination of Surface Pollution Resistance --- Method 2 73
4.45 Determination of Surface Abrasion Resistance - Method 1 75
4.46 Determination of Surface Abrasion Resistance - Method 2 77
4.47 Determination of Surface Abrasion Resistance - Method 3 78
4.48 Determination of surface resistance to dry heat --- Method 1 79
4.49 Determination of Surface Resistance to Dry Heat --- Method 2 81
4.50 Determination of Surface Humidity and Heat Resistance --- Method 1 83
4.51 Determination of Surface Moisture Resistance --- Method 2 84
4.52 Determination of boiling water resistance performance 85
4.53 Determination of impact resistance performance 87
4.54 Determination of crack resistance performance 90
4.55 Determination of formability 92
4.56 Determination of antistatic performance 94
4.57 Determination of paint film adhesion 95
4.58 Determination of paint film hardness 97
4.59 Determination of formaldehyde content --- perforation method 99
4.60 Determination of formaldehyde emission --- 1m3 climate chamber method 107
4.61 Determination of formaldehyde emission---dryer method 111
4.62 Determination of formaldehyde emission --- gas analysis method 114
4.63 Determination of formaldehyde emission --- small chamber method 118
4.64 Other performance test methods 124
Appendix A (Informative) International Standards and Foreign Advanced Standards Referenced by Test Methods 125
Appendix B (Informative) Wood Destruction Rate of Plywood Specimens Figure 127
Appendix C (informative) Abnormal failure of plywood specimens Figure 129
Appendix D (informative) xenon arc lamp device 130
Appendix E (Informative) Other performance test methods 132
References 133
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document replaces GB/T 17657-2013 "Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels", and GB/T 17657-2013
In comparison, except for editorial changes, the main technical changes are as follows.
a) Added 4 test methods.
--- Determination of sliding friction coefficient (see 4.28);
---Determination of color fastness to yellowing (see 4.32);
--- Determination of dimensional stability --- Method 3 (see 4.37);
--- Determination of formaldehyde emission --- small chamber method (see 4.63).
b) Two test methods are deleted.
--- Determination of surface resistance to cigarette burning (see 4.45 of the.2013 edition);
--- Determination of flame retardancy (see 4.55 of the.2013 edition).
c) Other major technical changes are as follows.
--- Added density deviation measurement (see 4.2.5.3);
---Changed the regulation on the pH value of test water, changed to drinking water (tap water) (see 4.4.4.2, 4.4.4.2 of the.2013 edition), document
The same changes are made to the descriptions of the remaining methods in the related parts;
--- Changed Figure 11 in "Determination of Static Bending Strength and Elastic Modulus --- Four-point Bending Method", and modified the dimensions and descriptions (see
Figure 11, Figure 11 of the.2013 edition); some content has been added (see 4.8.4.3, 4.8.4.4, 4.8.4.5);
---Deleted "Determination of Surface Adhesive Strength---Method 1" "Adhesive pressure is 0.1MPa~0.2MPa" (see
4.15.4.1 of the.2013 edition);
--- Changed the adhesive layer shear strength test diagram in "Determination of adhesive layer shear strength" (see Figure 23, Figure 23 of the.2013 edition);
---Changed the scope of application of the "Determination of Peeling Resistance" method, "polyvinyl chloride film facing artificial board" was changed to "plastic film facing
Wood-based panels" (see 4.20.1, 4.20.1 of the.2013 edition);
---Changed the schematic diagram of the special metal fixture in "Determination of screw holding force", and modified the internal height of the fixture (see Figure 27, the.2013 edition
Figure 27);
---Delete the content related to the moisture content test in "Determination of Dimensional Stability --- Method 1" (see 4.33.5.1 of the.2013 edition);
---Changed the judgment method of "surface scratch resistance" and changed it to grade judgment (see 4.42.5, Table 5, Figure 43, 4.39.6 of the.2013 edition); add
Added the description of the placement conditions of the scratch test piece before observation (see 4.42.4.2); changed the accuracy of the load gauge of the scratch resistance tester,
Changed from 0.01N to 0.1N [see 4.42.2.1d), 4.39.2.1d) of the.2013 edition];
---Delete the fourth group of pollutants and step B in "Determination of Pollution Resistance --- Method 1" (see Table 5, 4.40.5.2 of the.2013 edition); replace
The 6 types of superficial pollutants were changed to 5 types (see 4.43.3, Table 6, 4.40.2, Table 5 of the.2013 edition);
---Changed the mass loss of the standard zinc plate in "Determination of wear resistance", the total mass loss of the standard zinc plate twice grinding is (120±15)mg"
(see 4.45.5.1, 4.42.5.2 of the.2013 edition);
---Changed the expression method of "Determination of Surface Resistance to Dry Heat" and changed it to "1, 2, 3, 4, 5" to indicate the grade, and 1
Grade 5 is the worst and Grade 5 is the best (see 4.48.5, 4.49.5, 4.46.5, 4.47.6 of the.2013 edition);
---Changed the expression method of "Determination of Surface Moisture and Heat Resistance Performance" and changed it to "one, two, three, four, five" to indicate the level, and the first level
Worst, five best (see 4.50.5, 4.51.5, 4.48.5, 4.49.6 of the.2013 edition);
--- Changed the drying treatment method of the test piece in "Determination of Boiling Water Resistance Performance" and changed it to balance treatment (see 4.52.4.1,.2013 edition
4.50.4.1); increase the marginal quality rating (see 4.52.5.2);
---Changed the result representation of inspection level 3 in "Determination of Cracking Resistance Performance" to "Level 3.The edge of the hole can be observed with the naked eye
There are cracks, but they do not extend to either side of the test piece" (see 4.54.5.1, 4.52.5.1 of the.2013 edition); changed the grade table
Show "arithmetic mean" and change to "lowest level" (see 4.54.5.2, see 4.52.5.2 of the.2013 edition);
---Changed the expression method of "determination of paint film adhesion", using "one, two, three, four, five, six" to express the grade, and the first grade is the worst,
Level 6 is the best (see Table 8, Table 7 of the.2013 edition); the thickness measurement method has been changed (see 4.57.4.1, of the.2013 edition
4.56.4.1); Added "or the cutting spacing specified by the product standard" (see 4.57.4.3);
--- Changed the "push test piece" in "determination of paint film hardness" to "push tester" (see 4.58.4.4,.2013 edition
4.57.4.4); increase the standardization of pencils, in line with advanced product requirements (see 4.58.3.2);
--- Increased the quality of the low-emission plate extraction test piece, which can be increased to.200g (see 4.59.5.3.2); added the third test result
Description of fruit treatment (see 4.59.6.3);
---Delete the preparation and calibration content of iodine standard solution and sodium thiosulfate standard solution, and directly use the iodine standard solution with certificate
and sodium thiosulfate standard solution (4.59.3.3, 4.59.3.4, 4.58.4.4, 4.58.4.5 of the.2013 edition);
Directly use the formaldehyde standard solution with certificate to prepare the standard solution series (see 4.59.3.17, 4.59.3.18);
---Changed the formaldehyde emission in "Determination of formaldehyde emission --- 1m3 climate chamber method" to 0.001mg/m3
(see 4.60.6.2, 4.60.6.4, 4.60.8, 4.60.10 of the.2013 edition); the concentration range of formaldehyde is increased from 0mg/L to 3mg/L
For the standard curve diagram between, the cuvette adopts 50mm optical path (see Figure 63);
---Changed the formaldehyde concentration analysis method in "Determination of Formaldehyde Emission --- Dryer Method", and "Determination of Formaldehyde Content-Perforation
The same as the acetylacetone method in "Method" (see 4.61.5.3, 4.59.6.3 of the.2013 edition);
--- Added the test piece support for the gas analyzer (see 4.62.2.1.14, Figure 66, Figure 65 of the.2013 edition); changed the formaldehyde release
Heavy volume sampling time (see 4.62.5.3.4, 4.61.6.3 of the.2013 edition); changed the formaldehyde release sampling and analysis procedures to 4
(See 4.62.5.3.5, 4.61.6.3 of the.2013 edition); Added the calculation of the gas analysis value with a test time of 3 hours
Method (see 4.62.6.2); changed the expression method of the formaldehyde emission of the third test piece (see 4.62.6.3,.2013 edition
4.61.7.3).
A number of test methods in this document refer to ISO standards and advanced standards from other countries and regions in terms of technical content, see Appendix A for details.
Please note that some contents of this document may refer to patents. The issuing agency 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 Wood-based Panel Standardization Technical Committee (SAC/TC198).
This document was drafted by. Institute of Wood Industry, Chinese Academy of Forestry, Beijing Institute of Product Quality Supervision and Inspection, Furenji
Tuan Co., Ltd., Dehua Rabbit Baby Decoration New Material Co., Ltd., Zhejiang Shiyou Wood Co., Ltd., Zhejiang Xiawang Paper Co., Ltd.,
Zhejiang Shenghua Yunfeng New Material Co., Ltd., Jiangsu Liangshi New Material Technology Co., Ltd., Guangdong Tianyuan Huibang New Material Co., Ltd.
Division, Guangdong Yaodonghua Decoration Material Technology Co., Ltd., Jiusheng Flooring Co., Ltd., Tsinghua University, Huzhou Inspection and Testing Center, Jiangxi Provincial Inspection
Industrial Product Inspection and Testing Institute of General Institute of Inspection, Testing and Certification, Shuxiangmendi Group Co., Ltd., Oupai Home Furnishing Group Co., Ltd., Zhejiang
Liangyou Wood Industry Co., Ltd., Shouguang Luli Wood Industry Co., Ltd., Jiangsu Senmao Bamboo Wood Industry Co., Ltd., Jiangsu Huidian New Material Co., Ltd.,
Hangzhou Dawang Yezhihuan Decoration New Material Co., Ltd., Jiangsu Jiashijia New Material Group Co., Ltd., Shandong Qianshan Wood Industry Co., Ltd.,
Guangxi Deke New Material Co., Ltd., Shandong Fengyuan New Material Technology Co., Ltd., Jiangsu Haimei New Material Co., Ltd., Beijing Building Materials Co., Ltd.
Materials Inspection and Research Institute Co., Ltd., Youyou New Materials Co., Ltd., Sophia Home (Chengdu) Co., Ltd., Henan Yongwei Composite Materials Co., Ltd.
Co., Ltd., Millennium Boat New Material Technology Group Co., Ltd., Xianning Product Quality Inspection and Testing Institute (Hubei Sengong Plate Product Quality Inspection
testing center).
The main drafters of this document. Long Ling, Liu Ru, Luo Xin, Xu Jianfeng, Sun Yuhui, Qu Yanchun, Lan Congrong, Shen Jianping, Yao Yuewei, Ni Yuezhong,
Wang Jin, Zhang Jie, Dai Yanmei, Zeng Minhua, Chao Jiu, Zhang Yinping, Li Xiaoke, Cheng Limei, Bu Lixin, Shao Jia, Ge Xiaohai, Li Yanxia, Liu Hailiang,
Zhang Yudong, Wang Xinghua, Liu Jianwen, Wang Songsong, Su Zhi, Wang Hui, Wang Lifeng, Zheng Nihua, Liu Zili, Wang Chong, Fu Yuning, Bi Haiming, Mo Xinpu,
Chai Dong, Zhu Qin, Xu Bin.
The release status of previous versions of this document and the documents it replaces are as follows.
--- First published as GB/T 17657-1999 in.1999, first revised in.2013;
--- This is the second revision.
Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels
Reminder. When formulating and revising product standards and citing or using the test method clauses in this document, you should fully understand the meaning of the test methods specified in this document.
Applicable conditions, including but not limited to preparation of specimens, quantity of specimens, handling of specimens, functions of equipment or appliances, measuring range and accuracy, operating procedures
Etc., and evaluate the suitability of the items related to the test methods specified in this document to the product standard quality requirements, and then select and determine the appropriate test
method.
1 Scope
This document describes the test methods for the main physical and chemical properties of wood-based panels and veneered wood-based panels.
This document is applicable to physical and chemical performance tests of wood-based panels and decorative wood-based panels and their products.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 250-2008 Gray sample card for color fastness test of textiles to assess discoloration
Preparation of GB/T 601 Chemical Reagent Standard Titration Solution
GB/T 730-2008 Textile color fastness test Blue wool standard sample (1~7) grade quality control
GB/T 845-2017 Cross recessed pan head tapping screws
GB/T 846-2017 Cross recessed countersunk head self-tapping screws
GB/T 3190-2020 Chemical Composition of Wrought Aluminum and Aluminum Alloys
GB/T 3977-2008 Color Representation Method
GB/T 3978-2008 Standard illuminants and geometric conditions
GB/T 4893.5-2013 Tests for physical and chemical properties of paint films on furniture surfaces - Part 5.Determination of thickness
GB/T 4897 Particleboard
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 7921-2008 Uniform color space and color difference formula
GB/T 9286-2021 Paints and varnishes cross cut test
GB/T 9761-2008 Visual color comparison of paints and varnishes
GB/T 18259-2018 Wood-based panels and their surface decoration terms
GB/T 26704-2011 pencil
LY/T 1612 1m3 climate chamber for detection of formaldehyde emission
JB/T 3889-2006 coated abrasive cloth
3 Terms and Definitions
The following terms and definitions defined in GB/T 18259-2018 apply to this document.
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