As per IS:4031(Part 2) and IS 5516. The apparatus comprises of Standard permeability cell made of brass, 12.7 mm inside diameter with one perforated metal disc and one plunger, A U-Tube glass manometer with rubber coupling for permeability cell, mounted on a wooden stand,, Latex rubber tubing, 30 cm long, 100 ml Dibutylphthalate liquid, Suction Bulb. Additional Instruments for the complete experiment Viz. Filter Paper discs, Precision Electronic balance(1 mg), Standard Cement,stop watch etc. available at extra cost.

Compliance Standards:

IS:4031(Part 2), IS 5516, ASTM C204, EN 196-6

Applications:

Variable Flow Type Air Permeability Apparatus (Blaine Type): It is used for determination of fineness of cements, pozzolanas and other powdery materials in terms of specific surface, which is expressed as total surface area in square centimeters per gram of the material under test.

The apparatus comprises the following parts and accessories:

1. Standard permeability cell made of brass, 12.7 mm inside diameter with one perforated metal disc and one plunger
2. A U-Tube glass manometer with rubber coupling for permeability cell, mounted on a wooden stand.
3. Latex rubber tubing, 30 cm long
4. 100 ml Dibutylphthalate liquid
5. Suction Bulb

The Other Equipments required for the Test are

1. Electronic Balance 200gm Capacity X 0.001 gm accuracy
2. Temp.and Humidity Controlled room
3. Standard Weight Box 500gm to 1 mg
4. Pyknometer
5. Mercury of Reagent Grade
6. Reference Cement of known specific surface
7. Filter Paper of 12.7mm dia (WHATMAN Grade 40)
8. Stop Watch