Lightweight insulation bricks (Lightweight clay bricks are lightweight refractory products with an alumina content of 30%-46%, which are thermal insulation refractory bricks. They use clay clinker or lightweight clay clinker and plastic clay as the main raw materials, and are made of flammable Production by physical method. The ingredients are mixed with water to make plastic clay or
Slurry, formed by extrusion or casting, dried and oxidized at 1250°C-1350°C
fired in atmosphere)
