Silico-Aluminous Refractory Brick from Germany

Silico-aluminous refractory bricks are dense ceramic blocks made from blended silica and alumina, fired at high temperatures to achieve low porosity and high mechanical strength. They are designed for use in blast furnace hearths and checker chambers, where they resist slag corrosion and thermal cycling. This product falls under tariff item 6902.90.00 as a refractory ceramic constructional good other than those of siliceous fossil meals.