Blaine Fineness Apparatus

Blaine Fineness Apparatus

It consists of a stainless steel cell, perforated disc and plunger.  
An U-tube glass manometer is fit to the steel stand.
The set is supplied complete with rubber aspirator, pack of filter paper and thermometer.
Used to determine the particle size of Portland cement, limes and similar powders expressed in terms of their specific surface.   
Two versions available: EN and ASTM/AASHTO which differ one to the other for the cell and plunger dimensions which are slightly different.