Product Description
Filter Paper Grade 41
This is the fastest quantitative ashless paper. It’s suited for filtering coarse particles and gelatinous precipitates. It also performs well in quantitative air pollution analyses.
| Grade | Typical Particle Retention in Liquid (µm)1 | Filtration Speed Herzberg (s) | Nominal Ash Content (%)3 | Nominal Thickness (µm) | Nominal Basis Weight (g/m2) | Typical Water Flow Rate (mL/min)2 | Nominal Air Flow Rate (s/100 mL/in2) |
|---|---|---|---|---|---|---|---|
| 41 | 20 | – | 0.007 | 215 | 85 | 254 | 4 |