3M
3M is not only a company name, but also a registered trademark. 3M's anti-particulate mask products sold in China are certified by Lao An (LA) in China from different places of origin. "3M mask" refers to all products that can be called masks produced by 3M Company. It is recommended that KN95 series 950 1V and 9502V have breathing valves, one is ear hanging type and the other is head wearing type.
Honeywell
Honeywell is a diversified high-tech manufacturing enterprise with a turnover of over $30 billion. The whole system is KN95 protection level, and most of them are ear-hanging. Like 3M, it is also a breathing valve with letters in the model.
Do Jillger
Jillger Safety Equipment (China) Co., Ltd., a well-known (well-known) medical device brand, 1889 started in Germany. Is an international pioneer in medical safety technology, an excellent global medical equipment supplier, with strong technical force and perfect service system.
South nucleus
Zhejiang Quzhou Nanhe Special Labor Protection Articles Technology Co., Ltd., Nanhe, a well-known brand of safety products, mainly includes anti-virus and dustproof masks, protective gloves, goggles and masks. It is a modern enterprise under the former Ministry of Nuclear Industry of China, and has been committed to the research and development of personal protective products, especially respiratory protective products.
Twelve officials
12 officials are affiliated to Shanghai dingya biotechnology co., ltd. under baodao optics (xingchuang group). There are branches, warehousing and logistics centers and chain stores in Guangzhou, Huizhou, Inner Mongolia and Hunan. The overall scale has reached 150 people, and is constantly growing.
Classification by protection level
KN series:
KN 100: For non-oily particles above 0.075 micron, the filtration efficiency is greater than 99.97%.
KN95: For non-oily particles with a diameter greater than 0.075 micron, the filtration efficiency is greater than 95%.
KN90: For non-oily particles above 0.075 micron, the filtration efficiency is more than 90%.
KP series:
KP 100: For oily and non-oily particles over 0. 185 micron, the filtration efficiency is greater than 99.97%.
KP95: The filtration efficiency of oily and non-oily particles over 0. 185 micron is more than 95%.
KP90: The filtration efficiency of oily and non-oily particles over 0. 185 micron is more than 90%.
Extended data:
Applicable environment
It is mainly suitable for industries that produce oily and non-oily particulate pollutants such as dust and smoke with a diameter exceeding 0. 185 micron. From non-ferrous metal processing, metallurgy, steel, coking, gas, organic chemicals, food processing, construction, decoration, petrochemical and asphalt.
Baidu encyclopedia -KP 100 mask