Fineness of Cement Blain Air Permeability Apparatus

Fineness of Cement Blain Air Permeability Apparatus

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:
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