Glass fiber filter circles, MN 439, Binder-free, Retention: 1.5 µm
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MN 439 is a binder-free glass fiber filter with excellent temperature stability up to 550 °C. It is commonly used in water pollution monitoring. Suitable for determination of totals suspended solids (TSS) and total dissolved solids (TDS).
| Basis weight | 66 g/m² |
|---|---|
| Color | White |
| Diameter | 25 mm, 37 mm, 45 mm, 47 mm, 55 mm, 70 mm, 90 mm, 110 mm, 125 mm, 150 mm, 185 mm, 240 mm, 270 mm |
| Filtration speed | 13 s |
| Filtration speed (air) | 13 s |
| Format | Glass fiber filter circles |
| Grade | MN 439 |
| Hazardous material | No |
| Material | Borosilicate glass micro fibers |
| Quality | Binder-free |
| Retention capacity | 1.5 µm |
| Suitable for Norm | Suitable for determination of suspended solids according to DIN EN 872-2005 |
| Surface | Smooth |
| Temperature stability | 550 °C / 1022 °F |
| Thickness | 0.42 mm / 16.5 mil |
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