Paper Boards for the Filtration and Absorption of Liquids
These boards are used for the filtration of cooking and transformer oils, galvanic baths and as base paper for further impregnation with certain reagents and antibiotics.
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Paper Boards for the Filtration and Absorption of Liquids
Grade Weight (g/m2) Thickness (mm) Filtration Time (s) Wet Bursting Strength (kPa) Dry Bursting Strength (kPa) Air resistance (mbar) Capillary Rise (mm/ 10 min) Water Capacity (%) Properties C 160 160 0.30 40 ≥ 50 25 80 Filtration of fine-flaked precipitates 1339 315 0.63 ≥ 230 ≥ 500 42 ≥ 60 Raw paper for Bowie-Dick-test indicator sheets, sterilization control C 350L 360 0.75 ≥ 200 30 80 Antibiotic testing paper, ash content < 0.08 % 151 460 1.00 ≥ 400 19 120 Base paper for cyto-strips 1220 475 1.00 200 120 Filtration of essential oils, galvanic baths, use in filter presses, ash content of 0.15 % SEK 770 800 1.00 ≥ 500 Absorbent paper board for the transport of liquids
These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-celluloose content, are very pure with an ash content < 0.1%.