Broad range of filter papers. You can choose from quantitative, qualitative, qualitative-technical filter papers, blotting and chromatography filter papers and many other paper grades for special applications. Our filter papers are depth filters and typical applications are particle retention in gases or aqueous solutions.

Filtration rate: the time required to filter 10 ml of distilled water at 20 °C through a free-hanging, fully-wetted disc filter with a diameter of 110 mm folded in quarters. Expressed in seconds (per mm).