Professional coffee knowledge exchange More coffee bean information Please pay attention to coffee workshop (Weixin Official Accounts cafe_style)
Filter paper is made of pure cellulose treated with hydrochloric acid and hydrofluoric acid. It is used for filtration and has good retention and flow rate. These cellulose filters create a semipermeable barrier perpendicular to the liquid or air flow to separate fine matter from the liquid or air. Different grades of filter paper can be used for a variety of laboratory applications, including daily laboratory work, from coarse to fine particle filtration. VWR offers qualitative and quantitative filter papers in a variety of pore sizes, particle sizes, flow rates and filtration times.
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