This standard specifies the requirements, test methods, marking, packaging, transportation and storage of ordinary absorbent gauze masks. This standard applies to masks made of ordinary absorbent gauze. GB 19084-2003 Ordinary absorbent gauze masks GB19084-2003 standard download decompression password: www.bzxz.net

In this standard, items 3 and 1 are recommended, and the rest are mandatory. This standard is used to evaluate the quality of the first absorbent gauze. GH19084—2003
This standard is the revised version of the standard (numbered GB10084) published online on April 29, 2003, and replaces the above-mentioned online dual-market standards.
This standard is proposed by the State Food and Drug Administration. This standard is under the jurisdiction of Beijing Medical Device Testing Center. The drafting unit of this standard is Beijing Medical Device Testing Center. The main contributors of this standard are Chang Zhaoyuan, Pan Mingqiao, Du Xiaoyao, Jing Xiunong, and Jiu Sifen.
Ordinary absorbent gauze masks
GB19084—2003
This standard specifies the requirements, test methods, specifications, packaging, transportation and storage of absorbent gauze (hereinafter referred to as "gauze masks").
This standard is applicable to masks made of ordinary absorbent gauze 2 Normative references
The following documents have become standards through the use of the standard: Any document with a date in the past, including the content of the standard (not including the revised version) is not applicable to this standard, however: The latest version of this document can be used according to the agreement reached by the parties based on this standard. For any referenced document without a date, the latest version shall apply to the following standards: GB1131 Packaging labeling
GH15979 Disposable hygienic products standard 3 requirements
3, 1 The basic size of the mask should comply with the specifications in Table 1: Table 1 Basic size Basic size Note: According to the specifications in the contract, 3.2 The number of layers of the mask should not be less than 12 layers 3.3 The density of the mask fabric should not be less than 9 meters per meter, and the density of the fabric should not be less than 3.4 Appearance
Book size
Unit: 1 meter
T-shaped
3.4, The mask should be soft, evenly thick, full of water, smooth and without armpit swelling. The gauze material of each layer should be consistent with 3.4.2, The stitches should be evenly spaced, tight and moderate, without skipped stitches, loose stitches, and needle floating. 3.5 The items in this book
shall not exceed 3.
3. 6. Alkali spot
The addition of acid indicator shall not show pink, and the addition of cresol indicator shall not show yellow: 3.7. The addition of carbon test shall not show blue or purple.
3. The fluorescent substance
The fluorescent substance shall not show normal color. Except for the effective separation red vitamin, it shall not show strong color fluorescence: 3.9. The content of ether soluble matter
The residual content shall not exceed 5%.
CB19084—2003
3.10. The residual content of burningbzxZ.net
The residual content shall not exceed 0.3%
3.11.1. The L cover of the label shall meet the corresponding requirements of GB15979. 3.11.2 The disinfection efficiency of the label shall meet the requirements of the corresponding requirements. 3.12 The marking shall meet the requirements of Chapter 1. 4 Test method 4.1 Test conditions The test strip shall meet the following requirements: a) Room temperature: 15%-30 b) Relative humidity: 65%=20%; b) Prepare the test solution Test water: PH 5~7. 4.2 Inspection method 4.2.1 Size Use general or general measuring tools, which shall meet the requirements of 3.1. 4.2.2 Number of layers The shear force shall meet the requirements of 1.2. 4.2.3 Fabric density Use special fabric density tester, which shall meet the requirements of 3.3. 4.2.4 Appearance
Monthly inspection shall comply with the requirements of 3.4.
4.2.5 Soluble in water
Take 12.5g (weighing 111g) of this product into a cup, add 4trl of freshly distilled water, heat and boil for 15min, cool to room temperature, dilute the water solution to 5ml, wash with freshly boiled hot water for several times, close the washing solution, cool to room temperature, and put it into a bottle, add water to the scale, shake the spoon, and collect 100ml of water and evaporate it on a water heater. Dry it to dryness at 105% and it should meet the requirements of 3.5.4.2.6 Acid decomposition
Take 100ml of the filtrate under the water soluble content, add 3ml of phenol indicator solution, and take 100ml of the filtrate under the water soluble content, and obtain 20% of the purple indicator. After the indicator is used, observe the color, which should meet the requirements of 3.6.4. 2.7 Starch and refined
Take 1g of the degradable substance in water, add the test concentration, scoop, observe the color, and check whether it meets the requirements of 5.7. 4.2.8 Fluorescent substance
Take 2 pieces of this group, separate them into 2 layers, and check under a fluorescent lamp (36nm) whether it meets the requirements of 3.3. 4.2.9 Ether soluble substance
Take 5g of this product, put it in a 250m sodium extractor, and extract it continuously with 150m of acetaldehyde for 4 hours, and reflux it for 4 times without centrifugation. The extract needs to be cooled down. Frequency at 105% to constant weight, and the residual flow should meet the requirements of 3.5. 4.2.10 Incandescent The residue after burning is weighed as g (standard C: nR). After burning for 1 year, slowly burn until complete or decomposed, add slight sulfuric acid (.5mL~1.0mL) to moisten: heat until sulfuric acid is completely evaporated, burn at 61℃~650℃ until weight is reduced, transfer to a desiccator, cool to room temperature, and the residue should meet the requirements of 3.70. 4.2.11 Microorganisms Submit the bottle for inspection according to the formula 1507, which should meet the requirements of 4.2.12. Daily inspection should meet the requirements of 3.12.
5 Marks
The following contents should be engraved on the packaging of the emergency bag.
Manufacturer name:
Product name. Label;
Specification+
Number of gauze layers:
Indicate "ordinary" to "disinfectant grade"
Instructions for use (including storage requirements):
Production batch number.
The emergency bag box should have the following internal marks:
Manufacturer name and address, telephone number, zip code
Product name, trademark:
Implementation standard 6.1.2 The packaging should be able to prevent mechanical damage and contamination before use. 6.1.3 The packaging box should contain the product certificate. 6.2 Transportation should comply with the contract regulations. 6.3 Storage should comply with the instructions for use. CB 19084—2003
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