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ISO 4695:2021 Iron ores for blast furnace feedstocks - Determination of the reducibility by the rate of reduction index
standard by International Organization for Standardization, 10/01/2021
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This document specifies a method to provide a relative measure for evaluating the extent to and ease with which oxygen can be removed from iron ores, when reduced under conditions resembling those prevailing in the reduction zone of a blast furnace.
This document is applicable to lump ores, sinters and hot-bonded pellets.