Ashless filter papers – For quantitative analysis
Ashless hardened filter papers – Wet-strengthened
Qualitative filter papers
Qualitative hardened filter papers
Technical Filter Papers
Chromatography Papers
Filter paper circles, MN 1640 de, Quantitative, Very slow (195 s), Smooth
Filter paper circles, MN 1640 de, Quantitative, Very slow (195 s), Smooth

MN1640de is a wet-strengthened, ashless, very slow filter paper for the filtration of finest particles in quantitative range. The smooth surface allows fiber-free filtration, even for highly acidic and basic media.
Format Filter paper circles
Grade MN 1640 de
Surface Smooth
Basis weight 100 g/m²
Thickness 0.2 mm
Filtration speed description Very slow
Filtration speed 195 s
Quality Quantitative
Material Cellulose
Ash content < 0.01 %
Color White
Retention capacity 1–2 µm
Wetstrength Strong
Diameter 55 mm, 70 mm, 90 mm, 110 mm, 125 mm, 150 mm, 185 mm, 240 mm, 270 mm, 320 mm
Scope of delivery 100 filters per pack
Hazardous material No
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