Ahlstrom 6170-2050 Qualitative Filter Paper, 20.5cm Diameter, 35 Micron, Fast Flow, Grade 617 (Pack of 50)

["Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance","Qualitative grades consist of greater than 95 percent super refined a-cellulose and linter fibers","Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications","This is an extremely fast filtering grade and has a larger particle retention","Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions"]