Alumina A
METHOD OF CONTROL AND CALIBRATION Fineness Measurement
USAGE
Alumina powder A can be used in the calibration of permeability fineness measuring equipment according to the requirements of standard NF EN 196-6.
For the calibration of Blaine’s device, follow the requirements of standard NF EN 196-6, particularly for any temperature corrections.
GENERAL CHARACTERISTICS OF ALUMINA A
Powders prepared and distributed under the aegis of the Reference Materials Department of the National Bureau of Metrology, and supervised by the Competent Commission of the AFNOR
| Packaging | Fineness (permeability) |
|---|---|
| Glass Bottle 50g | 2300 cm²/g |
IMPORTANT RECOMMANDATIONS
Before using the powder, it is always necessary to pour into a 150 cm³ bottle and shake to re-homogenize it. After use, the powder must never be re-used.
CHEMICAL COMPOSITION
Chemical composition: Alumine.
Major impurities: Na2O + Fe2O3 + Si O2 + CaO (less than 0,1 %).
Method of preparation: electro-melted product obtained by crushing.
Specific volume mass in g/cm³:
- Specific volume mass in g/cm³: 3.95
- By gas pycnometer : 3.96
Additional information
| Type | Reference Material |
|---|---|
| Type of Control | Blaine |
| Type of Material | Alumina |
| Detail of Material | Alumina |
| Fineness for Blaine Control | 2300 cm²/g |
| Conditionnement | Glass Bottle 50g |
