MRI > Technical Requirements For Disposable Face Masks
Technical Requirements For Disposable Face Masks
This standard is drafted in accordance with the rules given in the GB/T1.1 - 2009 Directives for standardization.
Mask shall be able to cover mouth and nose safely and firmly
Mask shall not be made from recycled materials and materials with high toxicity, carcinogenicity, or potentially carcinogenic. Mask also shall not be made from materials known to cause skin irritation or other adverse reactions.
Masks shall not have accessible sharp angle edges and shall not cause injury to the wearer
Masks should be easy to wear and remove, have no obvious pressure from wearing, and do not influence head activity
The surface of a mask shall be free of breakage, oil stains, deformation and other obvious defects
Colour fastness to abrasion (dry/wet)
Decomposable carcinogenic aromatic amine dyes
Ethylene oxide residues
Breaking strength of mask band and the joint of mask band and mask body
Fastness of exhalation valve cover
Microorganisms – Coliforms, pathogenic purulent bacteria, total fungal colonies, total bacterial colonies
* Testing methods and additional details available upon request.
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