Adapted for use across diverse chemical handling environments, the Filter Circles, Qualitative, Grade 5, Ø 70 Mm, are designed to provide slow airflow with an approximate filtration speed of 1420 seconds. Manufactured by Whatman, these filter circles have a basis weight of 98 grams per square meter and a typical thickness of 200 micrometers. They are capable of retaining particles as small as 2.5 micrometers in liquids, making them ideal for applications such as chemical analysis where fine precipitates need to be filtered out. With a diameter of 70 millimeters, they offer a suitable size for various laboratory needs.

• Category: Qualitative Filter Papers
• Filtration speed herzberg: approx. 1420 s
• Filter type: filter circle
• Air flow: 94 (s / 100 ml / in2)
• Basis weight: 98 g / m2
• Description: slow
• Brand: Whatman
• Type: Sorte 5
• UNSPSC 13.5: 41104929
• Typical thickness: 200 µm
• Diameter [mm]: 70
• Filtration time [s]: 94
• Particle retention in liquid: 2.5 µm