70% Calxined Bauxite
Fe2O3 <=3%
1-5mm, 3-5mm
5-10mm
- PRODUCT INFORMATION
High alumina refractory aggregate 70% is a premium-grade refractory material, engineered with approximately 70% alumina (Al₂O₃) content. Thanks to its high alumina ratio, this product possesses outstanding heat resistance, impressive mechanical strength, and excellent chemical resistance. To better understand this refractory aggregate, let’s explore the detailed information below.

Product Information: High Alumina Refractory Aggregate
The high alumina refractory aggregate is directly imported by Bảo Sơn Company from China with full quality assurance documentation. The aggregate is available in various sizes to meet specific application requirements. Among its many components, Al₂O₃ content reaches up to 70%, while Fe₂O₃ is maintained at ≤3%, contributing to the product’s superior performance characteristics.
Specifications
The high alumina refractory aggregate 70% is packaged in 50kg bags and comes in particle sizes ranging from 1–5mm and 5–10mm.
Product Characteristics
This refractory aggregate offers several outstanding features, including:
High heat resistance: Withstands temperatures up to 1770°C due to high alumina content.
Tough structure: Excellent resistance to impact.
High compressive strength: Suitable for heavy-duty applications.
Applications of High Alumina Refractory Aggregate 70%
This product is widely used as aggregate material in the manufacturing of refractory mortar, refractory concrete, and fire bricks.
Small-size aggregate (1–5mm): Ideal for refractory concrete in tight or narrow spaces.
Larger aggregate (5–10mm): Commonly used in casting large areas such as furnace floors, bases, and other wide-surface structures.
Moreover, depending on specific customer requirements, the aggregate can be blended into customized formulations.

Thanks to its superior properties, the 70% high alumina refractory aggregate is widely favored across various specialized industrial sectors. For purchasing and consultation on this product or other heat-resistant materials, please contact Bảo Sơn Company for detailed guidance.