Blaine Permeability Apparatus

The Blaine air permeability apparatus is used to determine the fineness of Portland cement in terms of the specific surface expressed as total surface area in square centimeters per gram of cement. The Blaine apparatus draws a defined volume of air through a prepared bed of cement of defined porosity. General Descripation and Specifications: The apparatus comprises one each of Brass or stainless steel permeability cell 12.5mm,'U' tube manometer with stop cock mounted on a laminated wooden stand, perforated metal disc, plunger, Rubber stopper, Rubber tube - 30cm long with rubber bulb. Blain Air Permeability Apparatus IS : 4031, IS :5516, ASTM C204, BS:4359 part-2 Determines fineness of Portland cement in terms of specific surface expressed as total surface area in square centimeters per gram of cement. Consists of: calibrated U-tube manometer, ground glass joint, Brass test cell and plunger, rubber aspirator bulb and perforated disc. wood block for holding test cell during filling. Mounted on finished wood Panel with rubber-footed base. The apparatus comprises one each of Permeability Cell, ‘U’ tube tube manometer with stop cock, perforated metal disc, plunger, Rubber stopper, Rubber tube with rubber bulb.