Medical protective mask price

　　1, the number of layers is different

　　Medical masks are composed of 2113 mask facets and tension bands. 5261 of which mask facets are divided into 4102 inner, middle and outer layers. General medical 1653 masks are common gauze masks with four, eight, and sixteen layers. .

　　2, different protective effects

　　Ordinary masks are appliances used to filter the air entering the nose and mouth to prevent harmful gases, odors, and droplets from entering and leaving the wearer's nose and mouth.

　　Medical masks are comfortable, odorless, glass-free, non-irritating to the skin, waterproof, and can kill or remove pathogenic microorganisms on the media after disinfection to make them harmless; and can prevent dust, because Respiratory resistance is small, and it is hygienic to wear. It absorbs aerosols, dust, smoke, mist, poisonous gases and poisonous vapors through the filter material, blocking them from being inhaled, and effectively isolating pollution sources.

　　Extended information:

　　Medical masks are generally divided into cotton gauze masks, medical surgical masks, and N95 masks. Their characteristics are:

　　1. Cotton gauze mask: It can prevent some viruses from attacking, but it has poor adhesion to the human face and low anti-virus efficiency.

　　2. Medical surgical masks: divided into three layers, the outer layer blocks water, the middle layer blocks more than 90% of 5μm particles in the air, and the inner layer absorbs moisture.

　　3, N95 medical protective mask: N95 is certified by the American Institute of Occupational Safety and Health. N refers to non-oily particulate matter, 95 refers to the filtration rate of 95% under the test conditions specified in the standard, with good adhesion