42.5 mm qualitative filter paper, Grade 601 (10 x 100 pcs.)
Alpha Laboratories Grade 601 qualitative filter paper is suitable for a wide range of applications in pharmaceutical, biotechnology, hospital, and environmental testing laboratories, as well as general laboratory use. The filter paper is supplied in discs of 42.5mm diameter, with a weight of 73g/m² and a thickness of 0.16mm. It is ideal for analytical applications requiring particle retention in the range of 5µm to 13µm. This filter paper has a medium filtration speed of 88 seconds and a burst strength of 1.95kg/cm². Grade 601 qualitative filter paper is a direct equivalent to popular brands (Whatman No. 1 and Schleicher & Schuell No. 595) and is supplied plain or pre-pleated in packs of 100.