Optimized for controlled laboratory processes, these Qualitative Filter Circles, Grade 113, boast a diameter of 125 mm. Manufactured by Whatman, they offer a fast filtration process with an airflow of 1.3 seconds per 100 milliliters per square inch. Their creped design ensures efficient filtration, while their typical thickness of 420 micrometers provides adequate strength. With a particle retention in liquid of 30 micrometers, these filters are particularly suitable for handling coarse or gelatinous precipitates. They also exhibit a filtration speed making them one of the fastest qualitative grades available. With a basis weight of 125 grams per square meter, these filters provide a robust solution for your lab needs.

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