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 w, Quantitative, Fast (9 s), Smooth
Filter paper circles, MN 1640 w, Quantitative, Fast (9 s), Smooth

MN1640w is a wet-strengthened, fast, ashless filter paper. Recommended for analytical procedures involving coarse particles or gelatinous precipitates. The smooth surface allows fiber-free filtration, even for highly acidic and basic media.
Format Filter paper circles
Grade MN 1640 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 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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