Fused Cast α-β Corundum Bricks

Fused cast corundum bricks are mainly composed of α-Al₂O₃ and β-Al₂O₃ crystal phases. The products feature dense crystallization, excellent resistance to molten glass corrosion, and high-temperature wear resistance without polluting the molten glass.

Send Message WhatsApp

Physical and Chemical Indicators

Item	RA-αβ	RA-β
Al₂O₃ (%)	93~96	92~94
K₂O + Na₂O (%)	3.2~5.0	5.5~7.5
SiO₂ + Fe₂O₃ + TiO₂ + CaO + Others (%)	≤ 2.0	≤ 1.5
Bulk Density (g/cm³) (Dense Part)	≥ 3.3	≥ 2.8
Cold Crushing Strength (MPa)	≥ 200	≥ 30
Bubble Evolution Rate (1300℃×10h, %)	≤ 0.3	/
Static Molten Glass Corrosion Rate (1350℃×48h, mm/24h)	≤ 0.4	/
Bulk Density (Unit Weight > 100Kg, kg/m³)Regular Cast	≥ 3050	≥ 2500
Bulk Density (Unit Weight > 100Kg, kg/m³)Void-Free Cast	≥ 3250	≥ 2700

Related Products

Fireclay Bricks

Low-Porosity Fireclay Bricks are characterized by a dense structure, low apparent porosity, and high cold crushing strength.

High Alumina Bricks

High alumina bricks are neutral refractory materials with a certain degree of corrosion resistance to both acidic and alkaline slags.

Phosphate-Bonded High Alumina Bricks

Based on their characteristics, phosphate-bonded high alumina bricks are mainly classified into phosphate-bonded high alumina bricks, phosphate-bonded wear-resistant bricks, and special phosphate bricks.

Mullite Bricks

Mullite bricks possess excellent high-temperature performance, high strength, high refractoriness under load, superior thermal shock resistance, and good chemical stability. They exhibit good corrosion resistance against acidic and low-alkaline slags.

Corundum Mullite Bricks

Corundum mullite bricks are characterized by high-temperature resistance, erosion resistance, chemical corrosion resistance, high cold crushing strength, high refractoriness under load, and good thermal shock stability.