1. High Strengith 2. Low thermal conductiviry 3. Precision size Insulating Firebrick Branch Specially produce ranges of high temperature insulating fire brick(IFB) with a application temperatures from 2,300°F (1,260°C) to 3,200°F (1,760°C). We produce typical grade bricks and meanwhile accept orders for specific thermal and physical requirements. Advantages Low Thermal Conductivity The light ...