In the coke analysis index, M40% and M25% respectively mean what?
(1) crushing strength (shatter strength): the ability of a certain particle size coal sample to fall under the condition of free fall.
(2) mainly used in: Coal Science and Technology (first level), coal processing and utilization (level two), coal chemistry and coal quality analysis (level three)
M40% and M25% represent the breaking strength rate, 40%>25%, which means that the M40% coke is more resistant than M25%
