GB/T 38880-2020 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 38880-2020 | English | 135 |
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Technical Specification of Children Mask
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GB/T 38880-2020: Technical Specification of Children 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/GBT38880-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 55
Technical Specification of Children Mask
Issued on. MAY 06, 2020
Implemented on. MAY 06, 2020
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative References... 4
3 Terms and Definitions... 5
4 Classification and Specifications... 6
5 Technical Requirements... 6
6 Test Methods... 8
7 Inspection Rules... 11
8 Packaging, Marking, Safety Warnings, Storage and Transportation... 11
Appendix A (Normative) Requirements for Tested Head Mold... 14
Bibliography... 16
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard was proposed by China National Textile and Apparel Council.
This Standard shall be under the jurisdiction of National Technical Committee for
Standardization of Textiles (SAC/TC 209).
Drafting organizations of this Standard. China Nonwovens & Industrial Textiles
Association; Beijing Municipal Institute of Labor Protection; Winner Medical Co., Ltd.;
Zhongke Besta (Xiamen) Environmental Protection Technology Co., Ltd.; Zhejiang
Lanhe Medical Supplies Co., Ltd.; Safmax (Qingdao) Protective Co., Ltd.; Allmed
Medical Products Co., Ltd.; Honeywell Safety Products (Shanghai) Co., Ltd.; Suzhou
Bolisi Medical Technology Co., Ltd.; Tianjin TEDA Filters Co., Ltd.; Sunna Technologies
(Shanghai) Co., Ltd.; Rizhao Sanqi Medical & Health Article Co., Ltd.; Jiande Chaomei
Daily Chemicals Co., Ltd.; Jingzhou Strong Scientific & Technological Development
Co., Ltd.; Sichuan Eupon Co., Ltd.; Shenzhen Yiwen Medical Technology Co., Ltd.;
Hangzhou COCO Healthcare Products Co., Ltd.; Runmei Paper (Fujian) Co., Ltd.;
Zhejiang Zhenqi Care Products Co., Ltd.; Hismer Bio-Technology Co., Ltd.; Wuhan
Weiqin Medical Technology Co., Ltd.; Hunan Hongfu Xinyue Medical Technology Co.,
Ltd.; Zhejiang Zhongchao New Materials Co., Ltd.; Anhui Yuanchen Environmental
Protection Technology Co., Ltd.; Beijing Institute of Medical Device Testing; China
National Institute of Standardization; Capital Institute of Pediatrics’ Children’s Hospital;
Guangzhou Inspection and Testing Certification Group Co., Ltd.; Guangzhou Customs
District Technology Center; Jiangsu Guojian Testing Technology Co., Ltd.; Chinatesta
Textile Testing & Certification Services Co., Ltd.; and Donghua University.
Chief drafting staffs of this Standard. Li Lingshen, Li Guimei, Chen Zhuowei, Yue
Weihua, Chen Shu, Li Jianquan, Jin Xiangyu, Ding Bin, Zhao Jinyu, Liu Ji, Cao Jun,
Wang Xiangqin, Xie Jinwei, Zhang Jianmin, Xiang Hongbing, Xu Hong, Dao Weimin,
Li Zhen, Cao Mengjie, Wang Changshen, Gong Guozhuo, Zhang Xiaoli, Ma Yongmei,
Liu Taijie, Chen Shaonan, Gao Shangrong, Su Hequn, Lin Yanfeng, Hu Guangmin, Jin
Liwei, Shen Mingrong, Xu Hui, Lin Shengyun, Chen Minhua, Yu Feiying, Shu Tan, Xie
Peiwu, Liu Yi, and Huang Jingying.
Technical Specification of Children Mask
1 Scope
This Standard specifies the terms and definitions, classification and specifications,
technical requirements, test methods, inspection rules, packaging, marking, safety
warnings, storage and transportation of children mask (hereinafter referred to as mask).
This Standard is applicable to the masks worn by children 6 years old and above, 14
years old and below to filter particulate matter in the air, blocking microorganisms,
pollen, spray, etc.
This Standard is not applicable to mask containing electric air supply (exhaust) device.
2 Normative References
The 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 document.
GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1.Free and
Hydrolyzed Formaldehyde (Water Extraction Method)
GB/T 7573 Textiles - Determination of pH of the Aqueous Extract
GB/T 14233.1-2008 Test Methods for Infusion Transfusion Injection Equipment for
Medical Use - Part 1.Chemical Analysis Methods
GB 15979-2002 Hygienic Standard for Disposable Sanitary Products
GB/T 17592 Textiles - Determination of the Banned Azo Colorants
GB 18401-2010 National General Safety Technical Code for Textile Products
GB/T 29865 Textiles - Tests for Color Fastness - Color Fastness to Rubbing - Small
Areas
GB/T 31702-2015 Testing Method for Sharpness of Attached Components on
Textile Products
GB/T 32610-2016 Technical Specification of Daily Protective Mask
FZ/T 01137 Textiles- Determination of Fluorescent Whitening Agents
YY 0469-2011 Surgical Mask
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1 Children protective mask
The children mask that has strong protective performance, and prevents the inhalation
of particles such as microorganisms, droplets, dust, pollen, etc.
3.2 Children hygiene mask
The Children mask that has hygienic barrier performance, and blocks the spread of
particles such as microorganisms, droplets, dust, pollen, etc.
3.3 Particle
Solid, liquid or solid and liquid particulate matters that suspend in the air.
NOTE. Such as dust, smoke, mist and microorganisms.
[GB/T 12903-2008, definition 5.1.16]
3.4 Particle filtration efficiency
The ability of the mask body to filter particulate matter under specified conditions.
NOTE. It is expressed by a percentage.
3.5 Bacterial filtration efficiency
The ability of mask body to filter particles containing bacteria under specified conditions.
NOTE. It is expressed by a percentage.
4 Classification and Specifications
4.1 Classification
According to the performance of masks, children masks are divided into child
protective mask (F) and child hygiene mask (W).
5 Technical Requirements
5.1 Basic requirements
5.1.1 The mask shall be able to cover the mouth, nose and jaw safely and firmly without
odor, and shall not significantly affect the visual field.
5.1.2 The raw materials of the mask shall not use recycled materials; materials known
to cause skin irritation or other adverse reactions shall not use; and the materials shall
not undergo chlorine bleaching treatment. The residual amount of other restricted
substances shall meet the relevant requirements.
5.1.3 Masks shall not use tie-on mask; and adjustable mask straps should be used.
5.2 Requirements for appearance quality
5.2.1 The inner layer of the mask that directly contacts the skin shall not be printed or
dyed.
5.2.2 There shall be no exposed metal objects on the mask; and there shall be no
damage, oil stains, deformation and other obvious defects on the mask surface.
5.3 Intrinsic quality requirements
The intrinsic quality requirements of the mask shall meet the requirements of Table 1.
6 Test Methods
6.1 Appearance inspection
10 masks are taken and visually inspected. The inspection light is subject to normal
natural light; if illuminating with a fluorescent lamp, the illuminance is no less than 400lx.
6.2 Color fastness to dry rubbing
It shall be implemented according to the provisions of GB/T 29865; cut the sample at
the printing or dyeing part of the mask.
6.4 pH value
It shall be implemented according to the provisions of GB/T 7573; cut the sample at
the contact layer between the mask and the human face.
6.6 Migratable optical brightener
It shall be implemented according to FZ/T 01137; cut the sample at the contact layer
between the mask and human face.
6.7 Residue of ethylene oxide
It shall be implemented according to the provisions of Clause 9 in GB/T 14233.1-2008.
Take a parallel sample to test; the sample is cut from the mask body. If the one test
result is qualified and the other is unqualified, the average calculation shall not be
performed.
6.8 Nose clip length
Take 3 samples for testing; measure by general or special measuring tools with
accuracy of 0.1cm.
6.11 Inhalation resistance
It shall be implemented according to the provisions of 6.7 in GB/T 32610-2016.The
test flow rate is (45±2) L/min; and the size of the head mold shall meet the requirements
of Appendix A.
6.12 Exhalation resistance
It shall be implemented according to the provisions of 6.8 in GB/T 32610-2016.The
test flow rate is (45±2) L/min; and the size of the head mold shall meet the requirements
of Appendix A.
6.14 Particle filtration efficiency
6.14.1 Child protective mask shall be implemented according to the provisions of
Appendix A in GB/T 32610-2016.Take 10 samples, of which 5 are untreated samples
and 5 are pre-treated samples according to provisions. the test medium uses NaCl
particles; the mask is unfolded and fixed with appropriate fixtures during the test.
6.16 Air penetration resistance
Test the filtration efficiency according to 6.14.2 as record the initial resistance value in
Pa. Take the maximum value as the test result.
6.17 Flame retardant performance
It shall be implemented according to the provisions of 5.8 in YY 0469-2011.The size
of the head mold shall meet the requirements of Appendix A.
7 Inspection Rules
7.1 Sampling
Products with the same variety and the same specification (model) according to the
delivery batch number are regarded as inspection batches.
7.2 Quality judgment
7.2.1 Appearance quality judgment
The appearance quality is tested according to 6.1; and at least 8 or more samples
meet the requirements of 5.2.If the requirements of 5.2 are met, then it shall be judged
to be qualified; otherwise, it is judged to be unqualified.
7.2.3 Results judgment
If the appearance quality and the intrinsic quality are all qualified, the batch of products
shall be judged to be qualified; otherwise the batch of products is judged to be
unqualified.
8 Packaging, Marking, Safety Warnings, Storage and Transportation
8.1 Packaging
The mask shall be sealed and packaged for easy access and avoid contamination
before use.
8.2 Marking
The minimum sales package shall have the qualified mark of inspection; and the
obvious parts shall be attached with a clear and identifiable mark. The mark shall
include but not limited to the following contents.
8.3 Safety warning
The minimum sales package or instruction manual of the mask shall include but not
limited to the following warnings.
8.4 Storage and transportation
During storage and transportation, the product shall be sealed, not damaged, stained,
or damp, pay attention to fire, rain, acid, alkali, and avoid directly exposing to strong
light.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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