Recommended for identification of substances, clarification of liquids and for the preparation of samples in a broad range of chemical analysis.
These filters are available as filter circles and folded filters with the following sizes (in mm):
47 – 55 – 70 – 90 – 110 – 125 – 150 – 185 – 240 – 320 (folded filters from 70 mm).
Other sizes, sheets, rolls and special cuts are available on request.
Grade | Surface | Properties | Filtration Herzberg [s] | Retention rate* [μm] | Weight [gsm] | Thickness [mm] |
---|---|---|---|---|---|---|
1450nf | smooth | fast | 50 | 15 – 25 | 118 | 0,30 |
0860 | smooth | medium fast | 120 | 7 – 12 | 74 | 0,17 |
0859 | smooth | medium fast | 150 | 7 – 12 | 61 | 0,14 |
400 | smooth | medium fast | 200 | 7 – 12 | 61 | 0,17 |
0903 | smooth | medium fast | 350 | 4 – 7 | 65 | 0,15 |
0858 | grained | medium fast | 110 | 7 – 12 | 75 | 0,17 |
0905 | creped | fast | 40 | 12 – 25 | 74 | 0,27 |