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KN95 Mask

Mask standard
(1) Standard source
This standard is a compulsory national standard of China, proposed by the State Administration of work safety and under the jurisdiction of the National Technical Committee for the standardization of personal protective equipment (SAC / TC 112).
(2) Technical content
From the perspective of scope of application, this standard is applicable to ordinary self-priming filter respiratory protective equipment for protecting all kinds of particulate matters, such as respirators, while other special environments (such as anoxic environment, underwater operation, etc.) are not applicable
According to the definition of particulate matter, this standard defines various forms of particulate matter, including dust, smoke, fog and microorganism, but it does not define the size of particulate matter.
Mask material
First layer material: 25g non-woven fabric
Second layer material: 25g fused Brown filter
Third layer material: 25g fused Brown filter
Layer 4 material: 50g needled cotton
Fifth layer material: 50g non-woven fabric
Cotton ball: adjustable rubber
With valve
Package: 850 pieces / 10 color boxes / 1 box



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KN95 Mask
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