ISO standards download ISO 4695:2021 pdf download – Iron ores for blast furnace feedstocks — Determination of the reducibility by the rate of reduction index ISO 4695:2021 pdf download - Iron ores for blast furnace feedstocks — Determination of the reducibility by the rate of reduction index. 1 Scope This document specifies a method to provide a relative measure for evaluating the... 02-19 Download Now