Characterized by well-defined physical properties suited for technical use, the Fillter Circles, Qualitative, Grade 113, Ø 90 Mm belong to the category of Qualitative Filter Papers. These filter circles, manufactured by Whatman, exhibit fast filtration rates, with an airflow of 1.3 seconds per 100 milliliters per square inch, and a filtration speed They also have a thicker filter paper compared to other qualitative range options, with a typical thickness of 420 micrometers. The filter circles offer excellent particle retention in liquids, capable of trapping particles larger than 30 microns. Their creped design ensures efficient filtration of coarse or gelatinous precipitates, making them an ideal choice for various laboratory applications.

• Category: Qualitative Filter Papers
• Description: fast, creped
• UNSPSC 13.5: 41104929
• Diameter [mm]: 90
• Brand: Whatman
• Filter type: filter circle
• Type: Sorte 113
• Filtration time [s]: 2
• Typical thickness: 420 µm
• Filtration speed Herzberg: 28 s
• Basis weight: 125 g / m2
• Air flow: 1.3 s / 100 ml / in2
• Particle retention in liquid: 30 µm