Lab Products


Qualitative-Technical Filter Papers, smooth


Ultramicro balances Cubis®
 


These paper grades are generally used for analytical and technical purposes. They are available in different formats as in rolls, sheets, discs and folded filters.

Technical Test Data
Grade Basis weight (g/m²) Thickness (mm) Filtration rate (s)*
3 h 65 0.13 35
3 hw 65 0.14 20
3 m/N 65 0.14 30
3 w 65 0.14 15
488/N 65 0.13 60
4 b 75 0.15 22
41 b 75 0.15 22
6 80 0.17 15
131 80 0.16 100
132 80 0.17 55
100/N 85 0.18 30
460/N 90 0.18 50
62 90 0.22 17
94/N 100 0.22 25
1220 103 0.53
54 115 0.24 17
10 120 0.33 7.5
50 S 120 0.22 30
10/N 120 0.33 7.5
C 140 140 0.30 20
1632 150 0.63
69 K 155 0.38 65
3 S/h 200 0.36 55

 

Filtration rate
The time required to filter 10 ml of distilled water at 20°C through a free-hanging, fully-wetted disc filter with a diameter of 110 mm folded in quarters. Expressed in seconds (per mm).