For the recent new coronavirus infection CE Certificate KN95 Mask pneumonia epidemic prevention and control work attention, as one of the most important aspects of the personal protection, wear three layers is help to guard against disposable respirators. Disposable respirators but 3 layer selection is also an important part of the problem, hope the following introduction of assisting to everybody: Protection grade level for N95 showed that testing conditions, the rules of the NIOSH specification 3 disposable respirator filter material layer of oily particles (such as dust, acid fog, mist, microorganisms, etc.) of the filter power reaches 95%. N95 is not a specific product name, need to fit N95 standards, and products through NIOSH view can be referred to as "type N95 disposable respirators" three layer. N90 type 3 layer disposable respirators or filtering power reached 90%.Type N95 disposable respirators are three layer NIOSH (national work safety and health research institute) certification of 9 kinds of particulate matter one of the protective layer 3 disposable respirators. "N" indicates KN95 Mask with Fast Shipping that no oil (not resistant to oil), "95" showed that exposure to the number of rules under the special experimental particle, concentration of particles in the layer 3 disposable respirators than 3 layer, disposable respirators low particle concentration above 95%. 95% of the value is not average, but the Z value.
The disposable 3 layer how disposable respirators dust:
Disposable respirators medical 3 layer can effectively avoid the small dust in the air, especially 2.5 micron inhalable dust blocking power, due to the size of dust can directly enter the alveoli, cause a lot of damage to human body. Medical disposable respirators in 3 layer through the gauze when layered block dust, dust is absorbed by the gauze, let the fresh air into the respiratory system. It is necessary to wear three layers in smoggy weather disposable respirators.With the continuous development of society, science and technology unceasing enhancement, although Virus Prevention Mask 3 Ply with Earloop the natural environment pollution is more and more serious, people just need to wear 3 layer disposable respirators to go out, so now how is wearing surgical disposable respirators, 3 layer so surgical disposable respirators how dust, 3 layer below small make up to provide users with a simple introduction, hope to help you. In general, in order to effectively maintain the body, the requirement of standard of mask must, cover mouth and nose, so that people can breathe freely. In general, adult medical disposable respirators 3 layer of intrusive mostly 18 * 9, 3 layer and children's medical disposable respirators intrusive for 15 * 9. Disposable respirators made from non-woven medical 3 layer. This material does not need to weaving. It is composed of some fiber together.