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Air filtration sponge, also known as dust-proof filtration sponge or filtration sponge, is a professional manufacturer of filtration sponge. Filtration sponge not only has the advantages of general mesh sponge, but also has the characteristics of minor color change, high porosity, good air permeability, high compressive strength and elasticity. It can be used for air filtration and liquid filtration.
The density of air filter sponge mainly depends on PPI, which refers to the number of openings per inch on an area of one inch. The more PPI, the denser the air filter sponge. The commonly used PPI of air filter sponge is generally divided into 8 types: 80PPI, 60PPI, 45PPI, 30PPI, 25PPI, 15PPI, 10PPI, and so on.










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