GB/T 21866-2025 English PDFUS$599.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21866-2025: Test method for antiviral activity and antimicrobial of paints film Status: Valid GB/T 21866: Historical versions
Basic dataStandard ID: GB/T 21866-2025 (GB/T21866-2025)Description (Translated English): Test method for antiviral activity and antimicrobial of paints film Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G50 Classification of International Standard: 87.040 Word Count Estimation: 30,36 Date of Issue: 2025-08-01 Date of Implementation: 2026-02-01 Older Standard (superseded by this standard): GB/T 21866-2008 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB/T 21866-2025: Test method for antiviral activity and antimicrobial of paints film---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT21866-2025ICS 87.040 CCSG50 National Standard of the People's Republic of China Replaces GB/T 21866-2008 Determination of antiviral and antibacterial activity of coatings Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Antiviral activity test 1 4.1 Overview 1 4.2 Laboratory Requirements 2 4.3 Equipment and Materials 2 4.4 Reagents and culture media 2 4.5 Test Preparation 4 4.6 Test Procedure 6 4.7 Calculation of viral infectious titer 10 4.8 Antiviral durability test 12 5 Antibacterial performance test 12 5.1 Overview 12 5.2 Laboratory Requirements 12 5.3 Equipment and Materials 12 5.4 Reagents and culture media 12 5.5 Test strains 14 5.6 Sample 14 5.7 Test Procedure 14 5.8 Result calculation and test validity 16 5.9 Antimicrobial durability test 16 6 Test Report 17 Appendix A (Normative) Preparation Method of Porous Membrane 18 A.1 Punch structure and material requirements 18 A.2 Preparation method of porous membrane 19 Appendix B (Normative) EMEM Medium 20 Appendix C (Normative) Determination of coating water absorption and sample pretreatment method 21 C.1 Determination of water absorption of coating film 21 C.2 Coating sample pretreatment method 21 Appendix D (Informative) Example of Calculating Virus Infectious Titer 22 Reference 23 Preface 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 21866-2008 "Determination of antimicrobial properties and antimicrobial effects of antimicrobial coatings (paint films)" and GB/T 21866- Compared with.2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The "Scope" has been changed (see Chapter 1, Chapter 1 of the.2008 edition); b) The terms and definitions of “bacteriostatic”, “bactericidal” and “antimicrobial coating” have been deleted (see 3.1, 3.2 and 3.4 of the.2008 edition); the term “antimicrobial” has been changed. The terms and definitions of "antiviral" (see 3.1, 3.3 of the.2008 edition) have been added; the terms and definitions of "antiviral" have been added (see 3.2); c) Added “Antiviral Activity Test” (see Chapter 4); d) The “Antibacterial Performance Test” has been changed (see Chapter 5, Chapters 4 to 8 of the.2008 edition); e) Deleted “Antibacterial effect of antibacterial coatings” (9.1 of the.2008 edition); f) Changed “test result record” to “test report” and modified the corresponding content (see Chapter 6, 9.2 of the.2008 edition); g) Added “Porous membrane preparation method” (see Appendix A); h) Added “EMEM medium” (see Appendix B); i) Added “Determination of coating water absorption and sample pretreatment method” (see Appendix C). 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 the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee on Standardization of Paints and Pigments (SAC/TC5). This document was drafted by. Institute of Microbiology, Guangdong Academy of Sciences (Guangdong Microbiological Analysis and Testing Center), China Building Materials Science Research Institute China National Petroleum Corporation Changzhou Coatings and Chemical Industry Research Institute Co., Ltd., Nippon Paint (China) Co., Ltd., D'Aiwei (China) Co., Ltd. Company, Akzo Nobel Paints (Shanghai) Co., Ltd., Beixin Carpoly Paints (Guangdong) Co., Ltd., Guangdong Dimei Biotechnology Co., Ltd. Co., Ltd., Guohengxin (Changzhou) Testing and Certification Technology Co., Ltd., Guangdong Badfu New Materials Co., Ltd., Shanghai Baolijia Chemical Co., Ltd., Fujian Wanan Industrial Group Co., Ltd., Zhejiang Genyuan Paint Technology Co., Ltd., Yashili Paint (Suzhou) Co., Ltd., Meichao Group Co., Ltd. Company, China National Testing and Inspection Holding Group Co., Ltd., Huizhou Baishida Chemical Co., Ltd., Guangdong Ruizhi Environmental Protection Technology Co., Ltd. Company, Xinchang County Pangu Environmental Protection Technology Co., Ltd., Hanning Chemical (Shanghai) Co., Ltd., Changzhou Tianan Special Coatings Co., Ltd., Shanghai Jian Science Inspection Co., Ltd., South China University of Technology, Yejian New Materials Co., Ltd., Chengdu Xinda Polymer Materials Co., Ltd., Guangdong Huawei Testing Co., Ltd., Luoyang Guanyin Biotechnology Co., Ltd., and Shanghai Institute of Industrial Microtechnology Co., Ltd. The main drafters of this document are. Liu Ruirui, Xie Xiaobao, Mu Zhichao, Peng Ruqun, Wang Jing, Liu Lin, Li Yulian, Ji Zhijiang, Dai Jun, Pan Xiuwei, Tang Mei, Cai Zhengwei, Zhao Chunyan, Guan Hongyan, Yuan Hongyu, Zeng Qingle, Xu Jian, Shi Liping, Qiu Xianfeng, Xia Siqin, Huang Wen, Wang Lixin, Shan Xiaogang, Xu Yanhua, Chen Jie, Ma Chunfeng, Zhang Haodong, Hao Liteng, Hu Lehui, Gao Jie, Shi Jianqun, Chen Jun, Zhao Peijing, Zhang Yuqing, and Wang Wei. The previous versions of this document and the documents it replaces are as follows. ---First published in.2008 as GB/T 21866-2008; ---This is the first revision. Determination of antiviral and antibacterial activity of coatings Warning. People who use this document should have practical experience in regular laboratory work. This document does not address all possible safety issues. For any problems, users are responsible for taking appropriate safety and health measures and ensuring that the conditions stipulated by relevant national laws and regulations are met.1 ScopeThis document describes a method for determining the antiviral activity of a coating by comparing the number of viable viruses and/or viable bacteria in a test sample with that in a control sample. and/or antimicrobial testing methods. This document applies to coatings with antiviral and/or antibacterial properties applied to building and wood surfaces. The determination of antiviral and/or antibacterial properties of coatings for other purposes can also be used as a reference.2 Normative referencesThe contents of the following documents constitute the 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 1727 General method for preparation of paint films GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 9278 Temperature and humidity for condition adjustment and testing of coating samples GB/T 19258.1 Ultraviolet radiation sources for germicidal use Part 1.Low-pressure mercury vapor discharge lamps GB 19489 General requirements for laboratory biosafety GB 41918 Biological Safety Cabinet3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 antimicrobial Use physical, chemical or other methods to inactivate bacteria, fungi and other microorganisms and/or inhibit the growth, reproduction and activity of bacteria, fungi and other microorganisms process. 3.2 antiviral The process of inactivating viruses or making them lose their infectivity by using physical, chemical or other methods.4 Antiviral activity test4.1 Overview The virus is inoculated on the surface of the prepared sample, and after a certain period of contact, the survival rate of the virus in the antiviral sample and the control sample is compared. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21866-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 21866-2025_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 21866-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21866-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
