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Astm c204: “Standard Test Methods for Fineness of Hydraulic. Cement by Air-Permeability Apparatus”. In this test, cement is compressed under conditionsThe Blaine Air Permeability Apparatus is supplied complete with;. • U Manometer Tube. • Manometer Liquid, 250 ml. • Test Stand. • Rubber Aspirator. This Blaine Apparatus has been designed only to determine the Blaine fineness of cement. The User must by all means observe the requirements and limit values, 12.2.2 Air Permeability Method ( Blaine Method ). The fineness of cement is measured as specific surface. Specific surface is expressed as the total. Digital Blaine air permeability apparatus with automated test cycle, electric suction pump, photoelectric cells for detection of levels, chronometer start-up