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GB/T 45694-2025: Test methods for natural fibre-reinforced plastic composite (NFC)deck boards
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GB/T 45694-2025: Test methods for natural fibre-reinforced plastic composite (NFC)deck boards

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ICS 83.080 CCSG31 National Standard of the People's Republic of China Test methods for natural fiber reinforced plastic composite (NFC) panels (ISO 16616.2015, MOD) Released on 2025-05-30 2025-12-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

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 is modified to adopt ISO 16616.2015 “Test methods for natural fiber reinforced plastic composite (NFC) panels”. This document has many technical differences compared to ISO 16616.2015. A list of these technical differences and their causes is given in Appendix A. The following editorial changes were made to this document. --- Deleted the note in Table 1; --- Changed formula (11). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Plastic Products (SAC/TC48). This document was drafted by. Beijing Building Materials Inspection and Research Institute Co., Ltd., Zhejiang Zhongcai Pipeline Technology Co., Ltd., Daya Technology Group Co., Ltd., Liaoning Tingran Fiber Composite Materials Co., Ltd., Shandong Lvsen Plastic Wood Composite Materials Co., Ltd., Jiangsu Qifa Bio Technology Co., Ltd., Jiangxi Ruijing Hongxing Industrial Co., Ltd., Ningbo Helong New Materials Co., Ltd., Zhejiang Jieshangjie New Materials Co., Ltd. Co., Ltd., Chengzi Tainuo (Shandong) New Materials Technology Co., Ltd., China Construction Seventh Engineering Bureau Co., Ltd., Anhui Aile New Materials Technology Co., Ltd. Co., Ltd., Jinhu Jusheng Plastic Wood New Materials Co., Ltd., Shandong Dongxin Plastic Technology Co., Ltd., Chengde Jinjian Testing Instrument Co., Ltd., Dongguan Nanxin Plastic Products Co., Ltd. The main drafters of this document are. Li Yanjun, Wang Baiti, Zheng Nihua, Shi Chao, Li Zhonghe, Wu Mingming, Hu Chaoqiang, Zhu Jiawen, Zhou Yun, Luo Lihua, Xu Jianlei, Wang Guangming, Zhang Jibing, Xiao Zhisheng, Pan Fuqu, Ren Yufeng, Tan Jianting.

Introduction

Natural fiber reinforced plastic is a composite material that uses natural fiber to reinforce modified plastics. Its main components are plastic and natural fibers. Natural fibers mainly include waste wood powder, bamboo powder, crop straw, rice husk and hemp straw. Plastics are mainly polyethylene (PE) and polypropylene (PP). Mainly thermoplastics such as polyvinyl chloride (PVC), new materials, recycled materials or both are used. Natural fiber reinforced plastics are mainly used to produce outdoor decking, fences, door and window products, furniture, housing components and automotive parts. To adopt the process of extrusion molding, injection molding and compression molding. Natural fiber reinforced plastics make use of a large amount of waste plastics and agricultural and forestry processing waste in the production process, which is conducive to promoting energy conservation and emission reduction and protecting the environment. and reducing resource consumption. Test methods for natural fiber reinforced plastic composite (NFC) panels

1 Scope

This document describes the test methods for the properties of natural fiber reinforced plastic composite (NFC) panels (hereafter referred to as panels). This document is applicable to the testing of the properties of natural fiber reinforced plastic composite solid panels and hollow panels.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 845-2017 Cross recessed pan head tapping screws (ISO 7049.2011, MOD) GB/T 1033.1 Plastics - Determination of density of non-cellular plastics - Part 1.Immersion method, liquid pycnometer method and titration method (GB/T 1033.1-2008,ISO 1183-1.2004,IDT) GB/T 1043.1 Determination of impact properties of simply supported plastic beams Part 1.Non-instrumented impact test (GB/T 1043.1- 2008,ISO 179-1.2000,IDT) GB/T 2411 Plastics and hard rubber - Determination of indentation hardness (Shore hardness) using a durometer (GB/T 2411-2008, ISO 868. 2003, IDT) GB/T 2918 Standard environment for conditioning and testing of plastic specimens (GB/T 2918-2018, ISO 291.2008, MOD) GB/T 3978 Standard lighting and geometric conditions GB 6675.4 Safety of toys Part 4.Migration of certain elements (GB 6675.4-2014, ISO 8124-3.2010, MOD) GB/T 9341 Determination of flexural properties of plastics (GB/T 9341-2008, ISO 178.2001, IDT) GB/T 11546.2 Determination of creep properties of plastics Part 2.Three-point bending creep (GB/T 11546.2-2022, ISO 899-2.2003,MOD) GB/T 11785 Combustion performance test of floor covering materials-Radiant heat source method (GB/T 11785-2005, ISO 9239-1.2002, IDT) GB/T 16422.2 Plastics laboratory light source exposure test method Part 2.Xenon arc lamp (GB/T 16422.2-2022, ISO 4892-2.2013, IDT) GB/T 17657-2022 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels GB/T 20146 CIE standard illuminants for colorimetry (GB/T 20146-2006, CIES005.1999, IDT) GB/T 20147 CIE Standard Chromaticity Observer (GB/T 20147-2006, CIE10527.1991, IDT) GB/T 20147.4-2023 Chromatography Part 4.CIE1976L*a*b* Color Space (ISO /CIE11664-4. 2019,MOD) GB/T 24127-2009 Test method for anti-algae performance of plastics GB/T 24128 Plastics Evaluation of the anti-mold effect of plastic anti-mold agents (GB/T 24128-2018, ISO 16869.2008, IDT) GB/T 36800.2 Thermomechanical analysis of plastics (TMA) Part 2.Linear thermal expansion coefficient and glass transition temperature Determination (GB/T 36800.2-2018, ISO 11359-2.1999, IDT) colour measurement ...