Blain Air Permeability Apparatus
Material for Construction
0.8 to 2.5
3 kg Approx
To determine the fineness of cements, pozzolanas and other powdery materials, various international specifications recommend the use of “specific area” method. In the methods described below, air permeability methods are used to determine the specific surface as total surface area in cm²/g of material.
Air Permeability Apparatus Blaine Type : It is a variable flow type air permeability apparatus. The apparatus comprises one each of:
- Permeability Cell, 12.5 mm ID
- ‘U’ Tube Manometer, mounted on stand
- Perforated Metal Disc
- Rubber Stopper
- Rubber Tube 20cm long.
- Rubber Tube 20cm long
- Filter Paper Disc
- Dibutylphthalate Liquid
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