ISO 8264:1989
Hard coal — Determination of the swelling properties using a dilatometer
OVERVIEW
A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting points. The change in level of a piton resting upon the test piece is observed continuously, and record is produced which is characteristic of the swelling properties of the coal.
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1989 |
| No. of Pages | 9 |
| ICS Classification | 73.040 Coals |
| Committee | ISO/TC 27/SC 5 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |