Refractory and Insulation Mortars are capable to withstand temperatures of up to 1710°C and come in powder form. These Insulation Mortars are made from finely ground plastic refractory clays blended with high alumina refractory materials and special chemicals that contain at least 45% alumina. These Insulation Mortars have heat resisting property as well as good bonding strength. Refractory and Insulation Mortars can be availed under the brand of Thermofix.