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ISO 8264:1989
Hard coal — Determination of the swelling properties using a dilatometer
Automatically translated name:
Hard coal -- Determination of the swelling properties using a dilatometer
STANDARD published on 23.11.1989
The information about the standard:
Designation standards: ISO 8264:1989
Publication date standards: 23.11.1989
SKU: NS-435743
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 8264:1989 :
Description / Abstract: 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.
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