This mask can also help reduce the exposure level of certain inhalable microbial particles (such as mold, anthrax bacillus, tuberculosis bacillus, etc.), it cannot completely block these germs, and it cannot eliminate the risk of contact infection, illness or death.
The N95 Face Mask with a very high protection level is a 5-layer mask made of polypropylene non-woven SMMMS (2 layers of S layer and 3 layers of M layer), which can filter more than 95% of fine particles.
There are three materials for the bridge of the nose, one is PP plastic + iron wire, one is all plastic, and the other is all aluminum
Medical Face Mask is mainly composed of three layers of non-woven fabric: the inner layer (hygroscopic layer) is ordinary non-woven fabric; the outer layer (water-blocking layer) is non-woven fabric with waterproof treatment, which is mainly used to isolate the spray from others Liquid droplets; the middle filter layer (core filter layer) is made of electret-treated polypropylene melt-blown non-woven fabric, generally referred to as SMS structure (S means spunbond layer, M means melt-blown layer).
