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. We manufacturer, Supplier & Exporter of Blain Air Permeability Apparatus from india. Due to its high quality and features Blain Air Permeability Apparatus is highly demanded in the market.