IS : 4031,5516,1727 AND 4828, ASTM C-204, BS : 4359 PART II
The apparatus is used for determining the fineness of cement in terms of specific surface expressed as total surface area in square centimeters per gram of cement. This is a variable flow type air permeameter.
- The apparatus consists one each of permeability cell 12.5mm I.D.,
- Manometer 'U' type mounted on stand with a built in a stop cock, perforated disk, plunger Rubber stopper, Rubber tube 30cm long.
- Packet of 12 filter paper discs and a bottle of 100cc dibutyiphthalate liquid.
Spares and Accessories :
- Punch to cut filter paper discs.
- Non-performed disc.
- Suction bulb.