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TAJ 1001-2015: PM2.5 protective mask---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/TAJ1001-2015AJ ASSOCIATION STANDARD OF CHINA TEXTILE COMMERCE ASSOCIATION ICS 13.340.30 W 55 Registration number PM2.5 protective mask Issued on. DECEMBER 1, 2015 Implemented on. MARCH 1, 2016 Issued by. China Textile Commerce Association Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Classification, grading and marking... 7 5 Technical requirements... 8 6 Detection method... 10 7 Product description and packaging... 13 Appendix A (Informative) Guidance for selection and use... 15 Appendix B (Informative) Main dimensions of test head molds... 16ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Textile Commerce Association. This standard shall be under the jurisdiction of the China Textile Commerce Association Safety & Health Protective Products Committee. The main drafting organizations of this standard. Chinese Academy of Sciences Urban Environment Study Institute, CAS-Best (Xiamen) Environmental Technology Co., Ltd., Jiande Chaomei Daily Chemicals Co., Ltd, Zhejiang State Inspection Technology (Jiangsu) Co., Ltd. Shanghai Gangkai Purifying Products Co., Ltd., Jingzhou Strong Science and Technology Development Co., Ltd, Guangzhou Powecom Safety Goods Manufacturing Co., Ltd, Guangzhou City Guanhua Labor Protection Products Co., Ltd., Xiamen High-tech Anti-static Equipment Co., Ltd., Hubei Xianwanli Protective Products Co., Ltd. The main drafters of this standard. Zheng Yuming, She Qiyuan, Lu Bing, Wang Guifen, Chen Shu, Wang Yan, Wu Renxiang PM2.5 protective mask1 ScopeThis standard specifies the terms and definitions, classification, grading and marking, technical requirements, testing methods, product descriptions and packaging of PM2.5 protective masks. This standard applies to the mask used in daily life by the public to prevent PM2.5 inhalation. This standard neither apply to the masks used for protection of harmful gases and steam inhalation, nor apply to the masks used in anoxic environment, escape, fire, medical and other occupational purposes.2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GBZ 1-2010 Hygienic standards for the design of industrial enterprises GB 2626-2006 Respiratory protective equipment - Non-powered air-purifying particle respirator GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB 3095-2012 Ambient air quality standard GB/T 5703 Anthropometric basic items for technical design GB/T 7573 Textiles - Determination of pH of aqueous extract3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Mist It refers to the tiny droplets suspended in the air. [GB/T 18664-2002, definition 3.1.18] 3.2 Haze It refers to a kind of weather formed by the smoke suspended in the air. 3.3 Aerodynamic diameter It refers to the diameter of the sphere of the unit density (ρ0 = 1 g/cm3) reaching to the final settlement velocity same as the actual particle when it is in low Reynolds movement in the static air. [HJ 653-2013, definition 3.1] 3.4 PM2.5 It refers to the particle in the ambient air for which the aerodynamic equivalent diameter is less than or equal to 2.5 μm, AND it is also known as fine particle. [GB 3095-2012, definition 3.4]4 Classification, grading and marking4.1 Classification Based on structures, the products are divided into disposable masks and replaceable masks. Based on size, the products are divided into large (L), medium (M) and small (S). 4.2 Grading Based on the filtration efficiency, the products are divided into. grade 1 F95 ≥ 95%; grade 2 F90 ≥ 90%.5 Technical requirements5.1 General requirements 5.1.1 Materials The material shall comply with the following requirements. 5.1.2 Structural design Structural design shall comply with the following requirements. 5.1.3 Place of production The hygiene of the production place of mask shall comply with the Chapter 6 basic hygienic requirements for the workplace of GBZ 1-2010 Hygienic standards for the design of industrial enterprises. 5.2 Filter efficiency The filter efficiency will be tested in accordance with the testing methods as specified in 6.7 of this standard; AND the filter efficiency of each sample shall always comply with the requirements of Table 2. 5.4 Respiratory resistance USE the test method as specified in 6.9 of this standard to conduct testing, AND the results shall comply with the requirements of Table 4. 5.5 Connection force between mask lace and main part USE the method as specified in 6.10 of this standard to conduct test; when the mask lace is withstanding 10N axial tensile force for 10s, it shall not be slipping or fracture.6 Detection method6.1 Appearance inspection Based on each technical requirement, before conducting the lab performance test, it shall conduct visual appearance inspection against the sample. As for the disposable mask and the replaceable mask, it respectively requires inspecting 2 samples which are respectively subjected to temperature and humidity pre-treatment, wherein. 6.2 Temperature and humidity pretreatment FOLLOW the provisions of 6.2.1 in GB 2626-2006. 6.3 Formaldehyde FOLLOW the provisions of GB/T 2912.1.The samples were not pretreated AND the samples were sealed before storage. 6.6 Microbiological indicators FOLLOW the provisions of Appendix B of GB 15979; before test, the sample shall be sealed. 6.7 Filter efficiency FOLLOW the provisions of 6.3 in GB 2626-2006.TAKE 15 disposable masks or replaceable masks, including 10 untreated samples and 5 temperature and humidity pretreatment samples. 6.8 Total inward leakage FOLLOW the provisions of 6.4 in GB 2626-2006.TAKE 10 disposable masks or replaceable masks, including 5 untreated samples and 5 temperature and humidity pretreatment samples. 6.9 Respiratory resistance Testing equipment shall comply with the requirements of 6.5.2 in GB 2626-2006. As for the inspiratory resistance and expiratory resistance, respectively TAKE 4 samples, including 2 untreated samples and 2 temperature and humidity pretreatment samples. The main dimensions of the test head mold shall refer to the requirements of Appendix B, which is divided into large, medium and small. It shall select appropriate head mold for test based on the model size as indicated on the tested mask. 6.11 Dead space FOLLOW the provisions of 6.9 in GB 2626-2006.TAKE 3 samples which are not pre-treated.7 Product description and packaging7.1 Product description The product description shall provide information that the user must know, including. 7.2 Packaging 7.2.1 The sales packaging shall protect the product against mechanical damage and contamination prior to use; TAJ 1001-2015 AJ ASSOCIATION STANDARD OF CHINA TEXTILE COMMERCE ASSOCIATION ICS 13.340.30 W 55 Registration number PM2.5 protective mask Issued on. DECEMBER 1, 2015 Implemented on. MARCH 1, 2016 Issued by. China Textile Commerce AssociationTable of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Classification, grading and marking... 7 5 Technical requirements... 8 6 Detection method... 10 7 Product description and packaging... 13 Appendix A (Informative) Guidance for selection and use... 15 Appendix B (Informative) Main dimensions of test head molds... 16ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Textile Commerce Association. This standard shall be under the jurisdiction of the China Textile Commerce Association Safety & Health Protective Products Committee. The main drafting organizations of this standard. Chinese Academy of Sciences Urban Environment Study Institute, CAS-Best (Xiamen) Environmental Technology Co., Ltd., Jiande Chaomei Daily Chemicals Co., Ltd, Zhejiang State Inspection Technology (Jiangsu) Co., Ltd. Shanghai Gangkai Purifying Products Co., Ltd., Jingzhou Strong Science and Technology Development Co., Ltd, Guangzhou Powecom Safety Goods Manufacturing Co., Ltd, Guangzhou City Guanhua Labor Protection Products Co., Ltd., Xiamen High-tech Anti-static Equipment Co., Ltd., Hubei Xianwanli Protective Products Co., Ltd. The main drafters of this standard. Zheng Yuming, She Qiyuan, Lu Bing, Wang Guifen, Chen Shu, Wang Yan, Wu Renxiang PM2.5 protective mask1 ScopeThis standard specifies the terms and definitions, classification, grading and marking, technical requirements, testing methods, product descriptions and packaging of PM2.5 protective masks. This standard applies to the mask used in daily life by the public to prevent PM2.5 inhalation. This standard neither apply to the masks used for protection of harmful gases and steam inhalation, nor apply to the masks used in anoxic environment, escape, fire, medical and other occupational purposes.2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard. GBZ 1-2010 Hygienic standards for the design of industrial enterprises GB 2626-2006 Respiratory protective equipment - Non-powered air-purifying particle respirator GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB 3095-2012 Ambient air quality standard GB/T 5703 Anthropometric basic items for technical design GB/T 7573 Textiles - Determination of pH of aqueous extract3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Mist It refers to the tiny droplets suspended in the air. [GB/T 18664-2002, definition 3.1.18] 3.2 Haze It refers to a kind of weather formed by the smoke suspended in the air. 3.3 Aerodynamic diameter It refers to the diameter of the sphere of the unit density (ρ0 = 1 g/cm3) reaching to the final settlement velocity same as the actual particle when it is in low Reynolds movement in the static air. [HJ 653-2013, definition 3.1] 3.4 PM2.5 It refers to the particle in the ambient air for which the aerodynamic equivalent diameter is less than or equal to 2.5 μm, AND it is also known as fine particle. [GB 3095-2012, definition 3.4]4 Classification, grading and marking4.1 Classification Based on structures, the products are divided into disposable masks and replaceable masks. Based on size, the products are divided into large (L), medium (M) and small (S). 4.2 Grading Based on the filtration efficiency, the products are divided into. grade 1 F95 ≥ 95%; grade 2 F90 ≥ 90%.5 Technical requirements5.1 General requirements 5.1.1 Materials The material shall comply with the following requirements. 5.1.2 Structural design Structural design shall comply with the following requirements. 5.1.3 Place of production The hygiene of the production place of mask shall comply with the Chapter 6 basic hygienic requirements for the workplace of GBZ 1-2010 Hygienic standards for the design of industrial enterprises. 5.2 Filter efficiency The filter efficiency will be tested in accordance with the testing methods as specified in 6.7 of this standard; AND the filter efficiency of each sample shall always comply with the requirements of Table 2. 5.4 Respiratory resistance USE the test method as specified in 6.9 of this standard to conduct testing, AND the results shall comply with the requirements of Table 4. 5.5 Connection force between mask lace and main part USE the method as specified in 6.10 of this standard to conduct test; when the mask lace is withstanding 10N axial tensile force for 10s, it shall not be slipping or fracture.6 Detection method6.1 Appearance inspection Based on each technical requirement, before conducting the lab performance test, it shall conduct visual appearance inspection against the sample. As for the disposable mask and the replaceable mask, it respectively requires inspecting 2 samples which are respectively subjected to temperature and humidity pre-treatment, wherein. 6.2 Temperature and humidity pretreatment FOLLOW the provisions of 6.2.1 in GB 2626-2006. 6.3 Formaldehyde FOLLOW the provisions of GB/T 2912.1.The samples were not pretreated AND the samples were sealed before storage. 6.6 Microbiological indicators FOLLOW the provisions of Appendix B of GB 15979; before test, the sample shall be sealed. 6.7 Filter efficiency FOLLOW the provisions of 6.3 in GB 2626-2006.TAKE 15 disposable masks or replaceable masks, including 10 untreated samples and 5 temperature and humidity pretreatment samples. 6.8 Total inward leakage FOLLOW the provisions of 6.4 in GB 2626-2006.TAKE 10 disposable masks or replaceable masks, including 5 untreated samples and 5 temperature and humidity pretreatment samples. 6.9 Respiratory resistance Testing equipment shall comply with the requirements of 6.5.2 in GB 2626-2006. As for the inspiratory resistance and expiratory resistance, respectively TAKE 4 samples, including 2 untreated samples and 2 temperature and humidity pretreatment samples. The main dimensions of the test head mold shall refer to the requirements of Appendix B, which is divided into large, medium and small. It shall select appropriate head mold for test based on the model size as indicated on the tested mask. 6.11 Dead space FOLLOW the provisions of 6.9 in GB 2626-2006.TAKE 3 samples which are not pre-treated.7 Product description and packaging7.1 Product description The product description shall provide information that the user must know, including. 7.2 Packaging 7.2.1 The sales packaging shall protect the product against mechanical damage and contamination prior to use; ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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