Difference Between 3 and 4 Ply Masks
If you want to know the difference between a 3 ply and a 4 ply surgical mask, the face mask manufacturer would explain the precise difference. Surgical face masks are constructed of nonwoven polypropylene fabric. They should have bacterial filtration effectiveness of at least 80% so that these can be used at the time or surgeries. Let's understand the difference between 3 and 4 ply masks 3ply surgical mask The 3layer surgical mask is the next level of protection after the N95 mask, and it helps to guard against airborne viruses. Spun bonded polypropylene absorbs water, sweat, and moisture in the innermost layer. The centre of the melt blow layer prevents microorganisms from entering and exiting the mask by acting as a filter. The outer hydrophobic layer repels water, blood, and bodily fluids. 4 ply surgical mask The 4 ply surgical mask is similar to a 3 ply face mask with an additional filtering layer, such as an activated carbon filter. · ...