KEY PROPERTIES FOR THE OPTIMIZATION OF REFRACTORY CASTABLE DRYING

Drying is one of the most complex steps in refractory castable processing due to the considerable risk of damage or explosive spalling during the first heat-up. To provide a basis to optimize the drying step of refractory castables, this work correlates the mechanical strength and permeability with the mass loss rate and surface temperature profiles of high-alumina, ultra-low cement castables cured at different temperatures.