Recognized in industrial and academic chemical settings alike, the Grade 113 Circles, 185 MM filter papers from Whatman are designed for fast filtration, particularly suitable for handling coarse or gelatinous precipitates. With an airflow of 1.3 seconds per 100 milliliters per square inch, these papers offer unparalleled speed among qualitative filter papers. Their crepe texture further enhances their performance, ensuring a particle retention of 30 micrometers in liquid. Boasting a basis weight of 125 grams per square meter and a typical thickness of 420 micrometers, these filter papers provide an ultra-high loading capacity, making them indispensable in various chemical applications.

• Category: Qualitative Filter Papers
• Particle retention in liquid: 30 µm
• UNSPSC 13.5: 41104929
• Air flow: 1.3 s / 100 ml / in2
• Filtration speed Herzberg: 28 s
• Brand: Whatman
• Basis weight: 125 g / m2
• Description: fast, creped
• Typical thickness: 420 µm