ISO 335:1974
Withdrawn
Date published:
Hard coal — Determination of caking power — Roga test
The caking power of a coal is defined by the mechanical strength of the crucible coke obtained by carbonization under standard conditions of an intimate mixture of 1 g of coal and 5 g of standard anthrazite. The crucible coke obtained is then submitted to a drum test in a strictly prescribed manner and the Roga Index is calculated from the results.
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73.040 Coals
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ISO 335:1974
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