Industry Knowledge of Vermiculite Refractory Brick

Vermiculite refractory brick, also known as vermiculite insulation brick, is a type of refractory brick that is widely used in the construction industry for its high-insulation qualities and resistance to heat. Vermiculite refractory brick is made from a type of natural mineral called vermiculite that is mined from the earth.

The classification of vermiculite refractory brick is determined by its density, with higher density bricks being used in applications where a higher degree of insulation is required. Vermiculite refractory bricks are typically classified into two grades: lightweight and medium weight. Lightweight bricks typically have a density of less than 900 kg/m³, while medium-weight bricks have a density of between 900 and 1200 kg/m³.

The technical parameters of vermiculite refractory brick are crucial in determining its insulation properties. These parameters include thermal conductivity, refractoriness, compressive strength, and modulus of rupture. The higher the thermal conductivity, the better the insulation properties of the brick. The refractoriness of the brick determines the temperature it can withstand, while the compressive strength and modulus of rupture determine its ability to withstand pressure.

The production process of vermiculite refractory brick involves mixing the vermiculite with refractory cement and other additives. The mixture is then molded and fired in a kiln at high temperatures until it reaches the desired strength. The density of the brick is controlled by adjusting the mixture of materials to achieve the desired level of insulation.

In summary, vermiculite refractory brick is a highly versatile material that has a wide range of applications across many different industries. Its superior insulation properties, resistance to heat, and durability make it an ideal choice for use in furnaces, kilns, and other high-temperature applications. With proper care and maintenance, vermiculite refractory brick can provide reliable and long-lasting insulation for many years to come.