8 Things to Know About Filter Aid Powder Manufacturers And Suppliers - NAQ Global Filter Aids are one of the most commonly used materials in the filtration process. Filter aid is an inert material that improves the efficiency of filtration by improving the permeability of the filter cake. The purpose of Filter aid powder by filter aid powder suppliers is to separate the solids from the liquids, which is done by forcing the contaminated liquid to pass through a porous medium, which would then contain the solid removals, and the treated liquid could pass through without any trouble. Watch Now: https://www.youtube.com/watch?v=4P-H7_Qdxu0