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.
WITHDRAWN
ISO 335:1974
95.99
Withdrawal of Standard
Sep 28, 2004
ABANDON
ISO/WD 335