Automatic Blaine Fineness(Air Permeability Apparatus

Used to determine the particle size of Portland cement,limes and similar powders expressed in terms of their specific surface. It consists of a stainless steel cell,perforated disc and plunger. An U-tube glass manometer is fi t to the steel stand. The set is supplied complete with rubber aspirator and pack of fi lter paper.

Used to determine the particle size of Portland cement,limes and similar powders expressed in terms of their specific surface.

Model FBT-9
Inside diameter of permeability cell:                          dia. 12.7±0.05mm
Height of sample in the cell :                                              2.15±0.5mm
Perforated disk:                                                                         35holes
Diameter of the hole :                                                            1±0.10mm
Disk thickness:                                                                         0.1-1mm
Voltage:                                                                                          220V
Timing range:                                                                          0.1s-500s
Timing precision:                                                                              0.2s
Testing precision:                                                             better than 1%
Temperature range:                                                                     8-34°C