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The filtration efficiency of N95 masks on particles with aerodynamic diameter of 0.075 m±0.02 m was above 95%. The aerodynamic diameters of airborne bacterial and fungal spores vary mainly between 0.7 and 10 m, and are also within the range of the N95 mask. Therefore, N95 mask can be used for respiratory protection of some particulate matter, such as dust generated by grinding, cleaning and handling minerals, flour and some other materials. It is also suitable for liquid or non-oily particulate matter generated by spraying, which does not produce harmful volatile gas. It can effectively filter and purify the abnormal odor (poisonous gas) inhaled

Other types of respirators certified by NIOSH include: N95, N99, N100, R95, R99, R100, P95, P99, and P100. These levels of protection are capable of covering the protection range of the N95. "N" stands for not resistant to oil, suitable for non-oily particles. "R" stands for oil resistant to oil, suitable for oily or non-oily particles. If it is used for protection of oily particles, it should be used for no more than 8 hours. "P" stands for oil-proof (oi

The U.S. department of labor has recommended that health care workers use N95 masks to protect against airborne infections such as influenza and tuberculosis. Other types of respirators certified by NIOSH include: N95, N99, N100, R95, R99, R100, P95, P99, and P100. These levels of protection are capable of covering the protection range of the N95. "N" stands for not resistant to oil, suitable for non-oily particles. "R" stands for resistant to oil, suitable for oil or non-oil

The filtration efficiency of N95 masks on particles with aerodynamic diameter of 0.075 m±0.02 m was above 95%. The aerodynamic diameters of airborne bacterial and fungal spores vary mainly between 0.7 and 10 m, and are also within the range of the N95 mask. Therefore, N95 mask can be used for respiratory protection of some particulate matter, such as dust generated by grinding, cleaning and handling minerals, flour and some other materials. It is also suitable for liquid or non-oily particulate matter generated by spraying, which does not produce harmful volatile gas. It can effectively filter and purify the abnormal odor (poisonous gas) inhaled

The N95 mask is one of nine NIOSH certified particle respirators. "N" stands for not resistant to oil. "95" means the concentration of particles in the mask is more than 95% lower than that outside the mask when exposed to a specified number of specialized test particles. 95% of these values are not averages, but minimums. N95 is not a specific product name, as long as it meets the N95 standard and is approved by NIOSH. A protection level of N95 is indicated in the NIOSH standard gauge

N95 masks are one of nine types of particulate matter respirators certified by NIOSH, the National Institute for Occupational Safety and Health. N95 is not a specific product name, as long as the product meets the N95 standard and is approved by NIOSH, it can be called N95 mask. It can filter particles with an aerodynamic diameter of 0.24±0.6 living m (physical diameter of 0.075 m±0.020 m) with an efficiency of 95

There are many kinds of medical protective clothing. Among them, the disposable protective clothing widely used by the ministry of health, provincial health departments, disease control departments at all levels and hospitals is made by dupont. Reg. Rubber strip clothing, and in SARS, avian flu, wenchuan earthquake, Olympic security, H1N1 influenza a large number of centralized procurement. With the improvement of living standard, more and more electrical products entered the home, according to the experts, these electrical appliances more or less will produce electromagnetic radiation. In daily life, the radiation produced by electrical appliances will not cause harm and influence to most people, but to some special groups of people will produce

At present, China's industrial use protective clothing, mainly foreign brands of high-end products, such as air tightness, liquid tightness protective clothing) mainly by the United States dupont, France, Mr Ryan, a few companies such as the United States, imported from abroad, the domestic production enterprise is in a rising stage, such as the optimal pute beauty cosmetic, shenzhen, jiangsu Tang Gong spinning, Shanghai etc. There are many kinds of medical protective clothing. Among them, the disposable protective clothing widely used by the ministry of health, provincial health departments, disease control departments at all levels and hospitals is made by dupont. Reg. Rubber strip clothing, and in SARS, avian flu, wenchuan earthquake, Olympic security