The effects have been examined from the form and amount of dispersant on the flow of suspensions based on microgranular periclase, and also the fluidity in the vibration of granular periclase-spinel materials. The best form and amount have been established for dispersants that provide the required flow at various environmental temperatures in the vibration of the granular periclase-spinel materials of water content 5.0 -6.5% and working time not less than 3 h.

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