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GB/T 35469-2017 English PDF

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GB/T 35469-2017: Test method of anti-mold activity of building wood-plastic composites
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PDF similar to GB/T 35469-2017


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Basic data

Standard ID GB/T 35469-2017 (GB/T35469-2017)
Description (Translated English) Test method of anti-mold activity of building wood-plastic composites
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q10
Classification of International Standard 91.100.99
Word Count Estimation 10,183
Date of Issue 2017-12-29
Date of Implementation 2018-11-01
Regulation (derived from) National Standards Bulletin 2017 No. 32
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35469-2017: Test method of anti-mold activity of building wood-plastic composites

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Test method of anti-mold activity of building wood-plastic composites ICS 91.100.99 Q10 National Standards of People's Republic of China Test method of mold-resistance of building wood-plastic composite material 2017-12-29 Posted 2018-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Building Materials Federation. This standard by the National Lightweight and Decorative Building Materials Standardization Technical Committee (SAC/TC195) centralized. This standard was drafted unit. Guangdong Institute of Microbiology, Product Quality Supervision and Inspection Institute of Henan Province, Anhui Guofeng WPC Technology Co., Ltd., Huangshan Huasu New Material Technology Co., Ltd., Guangdong Di US Biotechnology Co., Ltd., Jin Nanotechnology (Xiamen) Co., Ltd., Suzhou Island United Materials Science and Technology Co., Ltd., Zhejiang New Vision Materials Technology Co., Ltd., Haier Branch Engineering Plastics Engineering Plastics Engineering Co., Ltd. Company, the National Building Decoration Materials Quality Supervision and Inspection Center. The main drafters of this standard Xie Xiaobao, Li Hong, Fang Xiaozhong, Hong Haizhou, Huang Xiaomeng, Wu Jixian, Song Weining, Peng Yong Xian, Wang Feng, Li Sujuan, Xiao Lei, Ye Qiang, He Zanwen, Juan Chen. Test method of mold-resistance of building wood-plastic composite material Warning --- personnel using this standard should have formal laboratory work experience, this standard does not indicate all possible safety issues Question, the user is responsible for taking appropriate safety and health measures, and to ensure compliance with the conditions of the relevant state laws and regulations.

1 Scope

This standard specifies the terms and definitions of the antifungal properties of wood-plastic composite materials and anti-mold durability test, test principle, equipment Preparation, reagents and materials, test procedures and test reports and so on. This standard applies to building WPC composites and their products, other WPC composites can refer to use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. National Standard of Food Safety Microbiological examination of food mold and yeast count GB/T 6682 analytical laboratory water specifications and test methods Test method for artificial weathering of plastic - wood composite material GB/T 29365-2012 YY0569 Ⅱ level biological safety cabinet

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Mold mold Filamentous fungi, usually refers to the more developed mycelium without the production of meat proton fruiting body structure. Molds by the vegetative mycelium and aerobic bacteria Silk, some of the aerial mycelium to a certain stage of development, differentiation into breeding mycelium, resulting in mold spores. 3.2 Anti-mold performance anti-moldactivity The product has the ability of inhibiting mold spore germination and mycelium growth and reproduction. 3.3 Mouldproof durability durabilityncenceofanti-moldactivity Mold anti-mildew performance after artificial climate aging test.

4 test principle

According to the physiological characteristics of mold growth designed to accelerate the test, inoculated on the surface of a large number of mold spores, and then placed in the sample temperature Degree of 28 ℃ ~ 30 ℃, relative humidity ≥ 85% under the conditions of culture to observe the growth of mold on the surface of the sample, according to the mold surface growth mold The area tested the ability of the product to inhibit mold growth.

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