Filter paper circles with border, MN 640 w, Quantitative, Fast (9 s), Smooth
MN640w is a fast, ashless filter paper. The elevated borders safely prevent residues to stick to the suction filter's wall. Suitable for suction filters with 125mm diameter. Recommended for analytical procedures involving coarse particles or gelatinous precipitates.
| Format | Filter paper circles with border |
| Grade | MN 640 w |
| Surface | Smooth |
| Basis weight | 85 g/m² |
| Thickness | 0.2 mm |
| Filtration speed description | Fast |
| Filtration speed | 9 s |
| Quality | Quantitative |
| Material | Cellulose |
| Ash content | < 0.01 % |
| Color | White |
| Retention capacity | 7–12 µm |
| Wetstrength | Light |
| Diameter | 90 mm, 110 mm, 125 mm |
| Scope of delivery | 100 filters per pack |
| Hazardous material | No |
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