Lightweight refractory bricks are products with low weight, low thermal conductivity, and low specific heat capacity, used as effective thermal insulation in high-temperature furnaces and equipment. Their porous structure not only reduces heat loss but also provides adequate resistance to thermal shocks and corrosive environments. Due to their dimensional accuracy, ease of installation, and sufficient strength, these bricks are an efficient choice for both backup and main lining, and they are widely used in the steel, aluminum, glass, ceramics, petrochemical, and cement industries
Lightweight refractory bricks, made from high-purity raw materials and a porous structure, provide highly effective thermal insulation for high-temperature furnaces and equipment. Their low thermal conductivity leads to energy savings and reduced heat loss, while their resistance to thermal shocks extends the service life of the lining. Accurate dimensions, light weight, and easy installation facilitate use in industrial projects. These bricks are widely applied in the metal, glass, ceramics, petrochemical, and power generation industries
Lightweight refractory bricks are products with low weight, low thermal conductivity, and low specific heat capacity, playing an effective role in reducing energy loss. These bricks are used as thermal insulation layers in backup sections and even as the main lining in high-temperature industrial furnaces. Their high-purity structure and sufficient strength ensure stable performance in corrosive or reducing environments. Adequate resistance to thermal fracture, dimensional stability, and effective insulation properties significantly extend the service life of equipment. Precision in dimensions and manufacturing quality allows for easy installation and reduces the need for early maintenance. These products are used across a wide range of industries, including ferrous and non-ferrous metal production, chemical and petrochemical industries, mineral processing, glass and ceramics, aluminum, cement, and energy generation units, providing an economical and efficient solution for heat management.
Lightweight refractory bricks, with low weight and very low thermal conductivity, not only significantly reduce energy loss but also contribute to the thermal stability of equipment under severe operating conditions. This feature provides high resistance to thermal shocks and sudden fractures, significantly extending the service life of insulation layers. These properties make them an ideal choice for both backup and main lining of high-temperature furnaces, reducing repair costs and downtime.
| Grade | Max Service Temperature (°C) | Other (%) | Fe₂O₃ % | SiO₂ % | Al₂O₃ % |
|---|---|---|---|---|---|
| MAX | 1650 | >3 | >1 | >26 | <70 |
| MIN | 1260 | >4 | >1 | >60 | <35 |
