ISO/TS 4667:2022

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Coal — Determination of the thermal stability and thermal fragmentation.

 ISO/TS 4667:2022 refers to an international standard published by the International Organization for Standardization (ISO) that outlines a method for determining the thermal stability and thermal fragmentation of coal, including different coal types like brown coal, lignite, anthracite, and bituminous coal with a zero caking index; essentially, it provides a standardized way to test how coal behaves under heat stress.