Alumina Castable Type ZIRALCAST-94Characteristics & Properties Continued Firing Shrinkage, % The data presented herein is intended to help the user to determine the appropriateness of this material for their application. This data is a nominal representation of this product's properties and characteristics and therefore should not be used in preparing specifications. ** Properties expressed parallel to thickness. Suggested Applications Insulating refractory in furnaces operating to temperatures as high as 1815°C (3300oF). Manufacture of low-density cast refractory shapes including covers, crowns...