722 Filter Papers webcode WW6PB003 Clear Filtration Filter Papers, Hahnemühle Recommended for identification of substances, clarification of liquids and for the prepa - ration of samples in a broad range of chemical analyses. • Creped filter papers have a particularly large surface area and correspondingly shorter filtration times • For reliable clarification of viscous liquids • For quick separation of large particles • Sample preparation For clarification of: • Alcohols, essences, vinegar, essential oils, extracts • Galvanic baths, flotation slurries • Gelatine, glycerine, paints, varnishes, hair tonics, perfumes, tinctures • Wort, spirits, syrup • Brines Technical specifications: Grade Surface Filtration Filtration Herzberg s Retention of particles1) µm Weight g/m² Thickness mm 520b creped very fast, wet-strengthened 30 16 – 20 155 0.65 520a creped very fast, very wet-strengthened 35 15 – 18 90 0.32 2772 creped very fast, wet-strengthened 40 12 – 14 65 0.24 0903 smooth fast 40 12 – 25 66 0.25 0905 creped fast 40 12 – 25 74 0.27 0858 grained medium fast 110 7 – 12 75 0.17 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 1) Approximate values General Use Filter Papers Grade Dimensions mm Order No. PU pc/Pack 0903 580×580 10 15 90903 500 0859 580×580 10 15 90859 500 400 460×570 10 15 94000 100 Folded filters Grade Ø mm Order No. PU pc/Pack Grade Ø mm Order No. PU pc/Pack 520b 150 10 15 99523 100 0860 240 10 15 90240 100 520b 185 10 15 99524 100 0860 320 10 15 90320 100 520b 240 10 15 99525 100 400 70 10 15 94001 100 520b 500 10 15 99527 20 400 90 10 15 94002 100 520b 600 10 15 99528 20 400 110 10 15 94003 100 520a 240 10 15 99521 100 400 125 10 15 94004 100 520a 500 10 15 99522 100 400 130 10 15 94005 100 2772 500 10 15 92772 100 400 150 10 15 94006 100 0905 320 10 15 95320 100 400 185 10 15 94007 100 0858 150 10 15 98150 100 400 200 10 15 94008 100 0858 240 10 15 98240 100 400 300 10 15 94010 100 0858 320 10 15 98320 100 400 320 10 15 94011 100 0860 150 10 15 97861 100 400 400 10 15 94012 100 0860 185 10 15 97862 100 400 650 10 15 94014 100 Filter circles Grade Ø mm Order No. PU pc/Pack Grade Ø mm Order No. PU pc/Pack 400 47 10 15 94015 100 400 125 10 15 94020 100 400 55 10 15 94016 100 400 150 10 15 94021 100 400 70 10 15 94017 100 400 185 10 15 94022 100 400 90 10 15 94018 100 400 240 10 15 94023 100 400 110 10 15 94019 100 400 500 10 15 94026 100 Other sizes on request. Separating Systems Filtration
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