
Very slow filtration qualitative filter paper
Weight (g/m2) DIN 53104 |
Thickness (mm) |
Pore size (μm) |
Filtration speed (sec) DIN 53137 |
Burst strength (kg/cm2) |
80 |
0.16 |
2-4 |
200 |
>20 |
// WHATMAN : 5
Sort |
Minimum size |
Maximum size |
Code example |
F |
46x57 cm |
58x58 cm |
QL05F4657 (sheet of qualitative paper, grade QL05 size 46x47 cm) |
A |
ø 45 mm |
ø 320 mm |
QL05A0240 (plain disc of qualitative filter, grade QL05, diameter 240 mm) |
P |
ø 70 mm |
ø 320 mm |
QL05P0320 (folded disc of qualitative filter, grade QL05, diameter 320 mm) |