Supplied in laboratory-grade packaging suitable for direct use, the Filter Circles, Qualitative, Grade 1, Dia.: 90 Mm, are designed for a wide range of applications within filtration and separation. Manufactured by Whatman, these filter circles have a thickness of 0.18 mm, a weight of 88 g/m², and a diameter of 90 mm. They offer a filtration speed of 150 seconds and a particle retention of 11 µm, making them ideal for clarifying liquids. With a filtration time of 13 seconds, these filter circles provide efficient filtration in just under a minute.

• Category: Qualitative Filter Papers
• Ash: 0.06 %
• UNSPSC 13.5: 41104929
• Brand: Whatman
• Particle retention: 11 µm
• Filtration speed: 150 s
• Type: Sorte 1
• Filtration time [s]: 13
• Diameter [mm]: 90
• Weight: 88 g / m2
• Filter type: filter circle
• Thickness: 0.18 mm