What are the Requirements for Materials Used in Ordinary Medical Masks?
According to the provisions of Clause 3.3, Section 3 of the Vietnam Standard TCVN 8389-1:2010, the requirements for mask materials are as follows:
Fabric layer: Use non-absorbent non-woven fabric, with a weight of 14 g/m² to 40 g/m², color: white or other colors.
Breathable microfiltration layer: Water-resistant.
Nose clip: Made of plastic or easily adjustable metal, to ensure a tight fit of the mask on the bridge of the nose.
Straps: Use elastic straps, for example: elastic bands, to facilitate easy wearing and removal of the mask, ensuring comfort.
Sincerely!
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