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GB/T 29418-2023: Test methods for properties of wood-plastic composite profile
Status: Valid GB/T 29418: Evolution and historical versions
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| GB/T 29418-2023 | English | 609 |
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Test methods for properties of wood-plastic composite profile
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GB/T 29418-2023
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| GB/T 29418-2012 | English | 839 |
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Test methods for mechanical and physical properties of wood-plastic composite product
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GB/T 29418-2012
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PDF similar to GB/T 29418-2023
Basic data | Standard ID | GB/T 29418-2023 (GB/T29418-2023) | | Description (Translated English) | Test methods for properties of wood-plastic composite profile | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G31 | | Classification of International Standard | 83.080 | | Word Count Estimation | 30,318 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Older Standard (superseded by this standard) | GB/T 29418-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 29418-2023: Test methods for properties of wood-plastic composite profile---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 83:080
CCSG31
National Standards of People's Republic of China
Replace GB/T 29418-2012
Test method for performance of wood-plastic composite extruded profiles
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Sample handling 2
5 Performance test 2
6 Test Report 4
Appendix A (normative) bending test 5
Appendix B (Normative) Compression test 9
Appendix C (Normative) Density Test 11
Appendix D (normative) Drop weight impact test 13
Appendix E (normative) Moisture content test 15
Appendix F (normative) Creep recovery test 16
Appendix G (normative) Creep failure test 18
Appendix H (Normative) Linear Thermal Expansion Coefficient Test 19
Appendix I (normative) freeze-thaw test 21
Appendix J (Normative) High and Low Temperature Test 22
Appendix K (Normative) Boiling water resistance test 24
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 29418-2012 "Testing of physical and mechanical properties of plastic-wood composite products" and is consistent with GB/T 29418-2012
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Added the term “wood-plastic composite extruded profiles” and its definition (see 3:1);
b) Delete the terms "wood plastic composite material", "new material", "recycled material", "width" and "thickness" and their definitions (see 3:1~ of the:2012 edition
3:5);
c) Added test methods for specification dimensions and straightness deviation (see 5:1);
d) Added test method for mass per meter of length (see 5:2);
e) The bending test has been changed (see 5:3, Appendix A, 4:4, Appendix A of the:2012 edition);
f) The wear resistance test has been changed and the determination of wear-through of the co-extruded layer has been added (see 5:13, 4:13 of the:2012 edition);
g) Added creep failure test (see 5:15, Appendix G);
h) Added high and low temperature tests (see 5:18, Appendix J);
i) Added boiling water resistance test (see 5:19, Appendix K);
j) Added aging test (see 5:20);
k) Added anti-mildew test (see 5:21);
l) The drop weight impact test has been changed (see Appendix D, 4:9 of the:2012 edition);
m) The creep recovery test has been changed (see Appendix F, Appendix C of the:2012 version):
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 China Building Materials Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Lightweight and Decorative Building Materials (TC195):
This document was drafted by: Nanjing Jufeng New Materials Co:, Ltd:, Shaoxing Yongsheng New Materials Co:, Ltd:, Anhui Guofeng Wood Plastic Technology Co:, Ltd:
Division, Zhejiang Kunhong New Materials Co:, Ltd:, Shenzhen Tianxiang Quality Technical Services Co:, Ltd:, Jiangsu Product Quality Supervision and Inspection Institute, Anhui
Huaisu Building Materials Co:, Ltd:, Zhejiang Tianbo New Biological Materials Co:, Ltd:, Ruijin Jitai Renewable Resources Co:, Ltd:, Nanjing Standard Chemical
Association, Henan Product Quality Inspection Technology Research Institute, Nanjing Product Quality Supervision and Inspection Institute (Nanjing Quality Development and Advanced Technology Application Research Institute
Research Institute), Nanjing Juxinfeng New Materials Co:, Ltd:, South China Agricultural University, Nanjing Forestry University, Chuzhou Beite New Materials Technology Co:, Ltd:, Nanjing
Technical Vocational College:
The main drafters of this document: Wu Zhengyuan, Zhu Fangzheng, Gu Qunyuan, Zhang Wei, Ding Jiansheng, Sui Shuling, Yin Keke, Wang Hongfei, Chen Haifeng, Wang Qingwen,
Liu Yinxin, Wang Yongbin, Fang Xiaozhong, Peng Yongxian, Zhang Jibing, Wu Xiaolei, Zhu Jiawen, Xu Chaoyang, Wang Likun, Yang Xiaoyan, Li Yongle:
This document was first published in:2012 and this is the first revision:
Test method for performance of wood-plastic composite extruded profiles
1 Scope
This document stipulates the sample handling, specifications, dimensions and linear deviation, quality per meter of length, bending and compression of plastic-wood composite extruded profiles:
Shrinkage, shear strength, density, drop weight impact, nail holding force, moisture content, water absorption, water absorption thickness expansion rate, anti-slip value, wear resistance, creep recovery, creep
Test methods for variable damage, linear thermal expansion coefficient, freeze-thaw, high and low temperature, boiling water resistance, aging and mildew resistance:
This document applies to wood-plastic composite extrusion products, including surface co-extruded profile products: Products using other molding methods can also be referred to:
use:
2 Normative 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 1033:1-2008 Determination of density of plastic non-foam plastics Part 1: Dip method, liquid pycnometer method and titration method
GB/T 1927:21-2022 Test methods for physical and mechanical properties of small defect-free wood specimens - Part 21: Determination of nail holding force
GB/T 2035 Plastic terms and their definitions
GB/T 8814-2017 Unplasticized polyvinyl chloride (PVC-U) profiles for doors and windows
GB/T 14019 Wood anticorrosion terminology
GB/T 14153-1993 General rules for drop weight impact test methods for rigid plastics
GB/T 15036:2-2018 Solid wood flooring Part 2: Inspection methods
GB/T 17657-2022 Test methods for physical and chemical properties of artificial panels and decorative artificial panels
GB/T 24508-2020 Wood plastic flooring
GB/T 29365-2012 Test method for artificial climate aging of plastic-wood composite materials
GB/T 35469-2017 Test method for mildew resistance of building wood-plastic composite materials
JB/T 9389-2008 Technical specifications for drop hammer impact testing machine for non-metallic materials
JC/T 2222 Wood plastic composite material terminology
3 Terms and definitions
The terms and definitions defined in GB/T 2035, GB/T 14019, JC/T 2222 and the following apply to this document:
3:1
Composite material products made of wood or other plant fiber materials and thermoplastic plastics, which are compounded and then extruded:
Note: Includes products with solid or hollow cross-sections, foamed or non-foamed, made of new or recycled materials, structural or non-structural use:
3:2
L-orientationL-orientation
direction of the long axis of the specimen:
Note: See Figure 1:
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