21/30407273 DC

This standard 21/30407273 DC BS ISO 4698. Iron ore pellets for blast furnace feedstocks. Determination of the free-swelling index is classified in these ICS categories:

• 73.060.10 Iron ores

This International Standard specifies a method to provide a relative measure for evaluating the increase in volume of iron ore pellets, when reduced in an unconstrained bed under conditions resembling those prevailing in the reduction zone of a blast furnace. It specifies the determination of the free-swelling index.

This International Standard is applicable to hot-bonded pellets.