Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Textile Commerce Association.
This standard is under the jurisdiction of the Safety & Health Goods Committee of China Textile Commerce Association.
Drafting organizations of this standard: Institute of Urban Environment, Chinese Academy of Sciences, Jiangsu Guojian Testing Technology Co., Ltd., CAS Best (Xiamen) Environmental Protection Technology Co.,Ltd., Jiande Chaomei Daily Chemicals Co., Ltd., Shanghai Gangkai Purifying Products Co., Ltd., Jingzhou STRONG Safety & Technology Co., Ltd., Guangzhou POWECOM Safety Goods Manufacturing Co., Ltd., Guangzhou Guanhua Labor Protection Articles Co., Ltd., Xiamen COKO Antistatic Equipment Co., Ltd., Hubei Wanli Protective Products Co., Ltd., Ningbo Kangjiale Medical Equipment Co., Ltd., MDSP (Beijing) Information Technology Co., Ltd. and Suzhou Letian Protection Products Co., Ltd.
Chief drafters of this standard: Zheng Yuming, Lu Bing, Chen Shu, Lin Yanfeng, Wang Yan, Chen Simin, Chen Jiaxin, Lin Guocheng, Bao Junyan, Wang Yan, Zhang Wen and Su Hequn.
PM2.5 protective mask
1 Scope
This standard specifies the terms and definitions, classification, grading and designation, technical requirements, test methods, product instruction and packaging of PM2.5 protective masks.
This standard is applicable to the masks worn by the public in daily life to prevent the inhalation of PM2.5 in the air.
This standard is not applicable to the protection against inhalation of harmful gases and vapors, and is not applicable to the dust masks used for anoxic environment, escape, fire fighting, medical care or other professions.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
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 standards
GB/T 5703 Basic human body measurements for technological design
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB 15979 Hygienic standard for disposable sanitary products
GB/T 17592 Textiles - Determination of the banned azo colorants
GB/T 18664-2002 Selection, use and maintenance of respiratory protective equipment
GB/T 23344 Textiles - Determination of 4-aminoazobenzene
HJ 633-2012 Technical regulation on ambient air quality index (on trial)
HJ 653-2013 Specifications and test procedures for ambient air quality continuous automated monitoring system for PM10 and PM2.5
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
mist
tiny droplets suspending in the air
[GB/T 18664-2002, Definition 3.1.18]
3.2
haze
a kind of meteorologic phenomenon formed by the smoke dust suspending in the air
3.3
aerodynamic diameter
the diameter of a sphere with unit density (ρ0=1g/cm3) when it attains the same ultimate settlement speed as the actual particles during its movement at low Reynolds in still air
[HJ 653-2013, Definition 3.1]
3.4
PM2.5
particle with the aerodynamic diameter less than or equal to 2.5μm in ambient air, which is also referred to as fine particle
[GB 3095-2012, Definition 3.4]
3.5
air quality index (AQI)
dimensionless index for quantitative description of air quality
[HJ 633-2012, Definition 3.1]
3.6
individual air quality index (IAQI)
air quality index of individual pollutant
[HJ 633-2012, Definition 3.2]
3.7
mask
the appliance worn on the mouth and nose to filter the air coming in or out of mouth and nose so as to prevent fine particles, pollen, bacteria, droplet and other pollutants from going in and out of the mouth and nose of the wearer, including disposable masks and replaceable masks
3.8
disposable mask
the non-detachable mask with filter material constituting the mask body, with or without expiratory valve, which generally cannot be washed for reuse and shall be discarded in case of any component failure
[GB 2626-2006, Definition 3.10]
3.9
replaceable mask
the tight-fitting mask with single or multiple replaceable filter element(s), with or without respiration valve
3.10
filter efficiency
the percentage of particles removed by the mask or filter element (filter material) under specified test conditions
[GB 2626-2006, Definition 3.16]
3.11
total inward leakage
the ratio of the concentration of simulation agent leaked into the mask from all the components including filter element to that of simulation agent in the inhaled air when the subject inhales under the specified test conditions in laboratory, expressed in percentage
[GB 2626-2006, Definition 3.17]
3.12
dead space
the volume of air re-inhaled from the previously exhaled air, expressed by the volume fraction of carbon dioxide in the inhaled air
3.13
face mask belt
the belt fixing the mask to the head and face
4 Classification, grading and designation
4.1 Classification
Products are classified into disposable masks and replaceable masks by the structure, and into large (L), middle (M) and small (S) types by size.
4.2 Grading
Products are classified into Grade 1 F95 (≥95%) and Grade 2 F90 (≥90%) by the filter efficiency.
4.3 Designation
The masks produced according to this standard shall have a designation indicating the grade, with a combination of the serial number of this standard, the year number and the grade. Wherein "F" is the first letter of the phonetic alphabet "Fang”.
For the F95 mask, the designation is T/CTCA 1-2015-F95;
For the F90 mask, the designation is T/CTCA 1-2015-F90.
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Classification, grading and designation
5 Technical requirements
6 Test methods
7 Inspection rules
8 Product instruction and packaging
9 Storage and transportation
Annex A (Informative) Guiding suggestions on selection and application
Annex B (Informative) Main dimensions of test headforms
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Textile Commerce Association.
This standard is under the jurisdiction of the Safety & Health Goods Committee of China Textile Commerce Association.
Drafting organizations of this standard: Institute of Urban Environment, Chinese Academy of Sciences, Jiangsu Guojian Testing Technology Co., Ltd., CAS Best (Xiamen) Environmental Protection Technology Co.,Ltd., Jiande Chaomei Daily Chemicals Co., Ltd., Shanghai Gangkai Purifying Products Co., Ltd., Jingzhou STRONG Safety & Technology Co., Ltd., Guangzhou POWECOM Safety Goods Manufacturing Co., Ltd., Guangzhou Guanhua Labor Protection Articles Co., Ltd., Xiamen COKO Antistatic Equipment Co., Ltd., Hubei Wanli Protective Products Co., Ltd., Ningbo Kangjiale Medical Equipment Co., Ltd., MDSP (Beijing) Information Technology Co., Ltd. and Suzhou Letian Protection Products Co., Ltd.
Chief drafters of this standard: Zheng Yuming, Lu Bing, Chen Shu, Lin Yanfeng, Wang Yan, Chen Simin, Chen Jiaxin, Lin Guocheng, Bao Junyan, Wang Yan, Zhang Wen and Su Hequn.
PM2.5 protective mask
1 Scope
This standard specifies the terms and definitions, classification, grading and designation, technical requirements, test methods, product instruction and packaging of PM2.5 protective masks.
This standard is applicable to the masks worn by the public in daily life to prevent the inhalation of PM2.5 in the air.
This standard is not applicable to the protection against inhalation of harmful gases and vapors, and is not applicable to the dust masks used for anoxic environment, escape, fire fighting, medical care or other professions.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
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 standards
GB/T 5703 Basic human body measurements for technological design
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB 15979 Hygienic standard for disposable sanitary products
GB/T 17592 Textiles - Determination of the banned azo colorants
GB/T 18664-2002 Selection, use and maintenance of respiratory protective equipment
GB/T 23344 Textiles - Determination of 4-aminoazobenzene
HJ 633-2012 Technical regulation on ambient air quality index (on trial)
HJ 653-2013 Specifications and test procedures for ambient air quality continuous automated monitoring system for PM10 and PM2.5
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
mist
tiny droplets suspending in the air
[GB/T 18664-2002, Definition 3.1.18]
3.2
haze
a kind of meteorologic phenomenon formed by the smoke dust suspending in the air
3.3
aerodynamic diameter
the diameter of a sphere with unit density (ρ0=1g/cm3) when it attains the same ultimate settlement speed as the actual particles during its movement at low Reynolds in still air
[HJ 653-2013, Definition 3.1]
3.4
PM2.5
particle with the aerodynamic diameter less than or equal to 2.5μm in ambient air, which is also referred to as fine particle
[GB 3095-2012, Definition 3.4]
3.5
air quality index (AQI)
dimensionless index for quantitative description of air quality
[HJ 633-2012, Definition 3.1]
3.6
individual air quality index (IAQI)
air quality index of individual pollutant
[HJ 633-2012, Definition 3.2]
3.7
mask
the appliance worn on the mouth and nose to filter the air coming in or out of mouth and nose so as to prevent fine particles, pollen, bacteria, droplet and other pollutants from going in and out of the mouth and nose of the wearer, including disposable masks and replaceable masks
3.8
disposable mask
the non-detachable mask with filter material constituting the mask body, with or without expiratory valve, which generally cannot be washed for reuse and shall be discarded in case of any component failure
[GB 2626-2006, Definition 3.10]
3.9
replaceable mask
the tight-fitting mask with single or multiple replaceable filter element(s), with or without respiration valve
3.10
filter efficiency
the percentage of particles removed by the mask or filter element (filter material) under specified test conditions
[GB 2626-2006, Definition 3.16]
3.11
total inward leakage
the ratio of the concentration of simulation agent leaked into the mask from all the components including filter element to that of simulation agent in the inhaled air when the subject inhales under the specified test conditions in laboratory, expressed in percentage
[GB 2626-2006, Definition 3.17]
3.12
dead space
the volume of air re-inhaled from the previously exhaled air, expressed by the volume fraction of carbon dioxide in the inhaled air
3.13
face mask belt
the belt fixing the mask to the head and face
4 Classification, grading and designation
4.1 Classification
Products are classified into disposable masks and replaceable masks by the structure, and into large (L), middle (M) and small (S) types by size.
4.2 Grading
Products are classified into Grade 1 F95 (≥95%) and Grade 2 F90 (≥90%) by the filter efficiency.
4.3 Designation
The masks produced according to this standard shall have a designation indicating the grade, with a combination of the serial number of this standard, the year number and the grade. Wherein "F" is the first letter of the phonetic alphabet "Fang”.
For the F95 mask, the designation is T/CTCA 1-2015-F95;
For the F90 mask, the designation is T/CTCA 1-2015-F90.
Contents of T/CTCA 1-2019
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Classification, grading and designation
5 Technical requirements
6 Test methods
7 Inspection rules
8 Product instruction and packaging
9 Storage and transportation
Annex A (Informative) Guiding suggestions on selection and application
Annex B (Informative) Main dimensions of test headforms
