best selling face mask BLACK DISPOSABLE face mask 3 ply 50 PACK type manufacturer face mask
- Category: >>>
- Supplier: Qinhuangdao Taizhi Medical Technology Co. Ltd.
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Product Overview
Description
Size | 17.5cm*9.5cm |
Logo | ccw |
BFE | 95% - 99.9% |
Disposable masks are black because of market demand, so black masks appeared. The color of the mask only represents its changeability, and does not mean that there is a change in its material. Therefore, the safety of disposable masks is generally not Judge by color. Material requirements Disposable black masks may also be related to the material, such as dust masks. Some black masks contain activated carbon in the material, which uses the adsorption function of activated carbon to prevent dust. The activated carbon is gray-black, so the mask will be made black. It is also a sign of activated carbon masks.
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