Materials Testing
 
    Blaine Air Permeability Apparatus

Blaine Air Permeability Apparatus

ASTM C204, AASHTO T153


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The Blaine Air Permeability Apparatus determines the fineness of Portland cement in terms of specific surface area expressed as the total surface area in square centimeters per gram of mortar or cement

The Blaine works by drawing a definite quantity of air through of bed of cement exhibiting a definitive porosity value. The number and size of the pores in a prepared bed of definite porosity is a function of the size of the particles and determines the rate of airflow through the bed. This procedure is outlined in ASTM C204, Method A and AASHTO T153.

The Humboldt Blaine Air Permeability Apparatus consists of: calibrated U-tube manometer, ground glass joint, stainless steel test cell and plunger, rubber aspirator bulb and perforated disc. Includes an 8 oz (226.8g) bottle of red manometer fluid, filter paper, wood block for holding test cell during filling and a funnel. Mounted on finished wood panel with rubber-footed base.

To perform this test, NIST Portland Cement #114q is required by the ASTM standard for calibration. See Accessories H-3817 and H-3817.20.


Standards

ASTM C204, AASHTO T153

 

Accessories
H-3817SRM 114q - Portland Cement Fineness Standard
H-3817.20SRM 114q - Portland Cement Fineness Standard - SRM 114q
H-3814Manometer fluid, 8oz. (240ml)
H-3816Filter paper discs, Medium Retentive, pkg 500

 

Replacement Part
H-3811Rubber Bulb
H-3812Cell and Plunger
H-3813BPerforated Brass Disc for use with Blaine Air Permeability Apparatus
H-3813SPerforated Stainless Steel Disc for use with Blaine Air Permeability Apparatus
H-3814Manometer fluid, 8oz. (240ml)
H-3815Monometer, U-tube, calibrated
H-3816Filter paper discs, Medium Retentive, pkg 500