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What is the classification of filter cotton air filter?

Time: 2023-11-10

What is the classification of filter cotton air filter?

There are many categories of air filters, and there are many filters that need to add filter cotton. Today, Xiaobian will bring you together to talk about the air filter that needs to add filter cotton.

It was also mentioned in the previous article that the air filter can be divided into: crude/initial effect, medium effect, high efficiency, according to the European standard: G1,G2,G3,G4,F5,F6,F7,F8 coarse/primary filter cotton, mainly filter dust particles greater than 5μm, generally used for ventilation equipment and air control system suction inlet as pre-filtration or coarse filtration and other direct contact with outdoor air; Also used for plate filter, folding plate filter, bag filter and other filter equipment filter material. So what are the characteristics of filter cotton with different filtration efficiency?

Filter cotton air filter

Primary filter cotton: can also be used as a pre-filter for high dust exposure in the air supply system; Material and characteristics of filter material for pre-filtration and flow equalization of gas supply in spraying system and baking device.

Medium efficiency filter cotton: mainly filters dust particles greater than 1μm, generally used for secondary or final filtration after crude filtration, but also used for plate filter media.

High efficiency filter cotton: mainly used in hospitals or laboratories and other filtration requirements are particularly high environment

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