Face Mask

surgical face mask is a loose-fitting, disposable device that creates a physical barrier between the mouth and nose of the wearer and potential contaminants in the immediate environment. These are often referred to as face mask, although not all face masks are regulated as surgical mask.

Water vapor permeabilityg/24 hr⋅cm2
Air permeabilityml/s⋅cm2 at 100 Pa
Water repellency: grade
Liquid penetration resistance: mbar
Parameter: Typical unit

What is the difference between surgical mask and normal mask?

Surgical masks are a barrier to splashes, droplets, and spit. Respirators are designed to seal tight to the face of the wearer. Wearers should be fit tested to make sure they are using the appropriate model and size of respirator to get the best fit. Surgical masks are not designed to seal tight against the face.
What are the 3 layers of surgical mask?
A proper surgical mask is usually made of three layers, including an outer hydrophobic non-woven layer, a middle melt-blown layer, and an inner soft absorbent non-woven layer.

Which is the best surgical mask?

N95 masks are the most effective form of protection against COVID-19, but they should be reserved for medical workers. The next best option for regular shoppers are KN95 masks imported from China.
Is there a reusable N95 mask?
Aeras N95 reusable mask is a FDA registered product that has filters which are capable of filtering at least 95% of airborne particles. Soft mask design and silicon material for best fit, comfort and protection at the same time.
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