Product Description
Filter Paper Grade 44
Quantitative Grade
WET STRENGTH
L – Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of paper
M – Will withstand all normal use on Buchner Funnels or others devices under suction or moderate pressure
H – High wet strength and high chemical resistance
|
Grade No |
Flow rate |
Retention microns |
Wet Strength |
Thickness, mm |
Ash % |
|
|
Ashless |
Thin version of No. 42 |
Slow |
3 |
L |
0.17 |
0.01 |
This paper is a thinner version of Grade 42, minimizing ash weight for each sample. It still retains very fine particles and benefits from almost twice the flow rate.
| 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) |
|---|---|---|---|---|---|---|---|
| 44 | 3 | – | 0.007 | 176 | 80 | 11 | 56 |
