Refractories Materials
Shaped and unshaped refractory products for furnaces, kilns, ladles, reactors, and high-temperature industrial processes.
1. Shaped Refractory
Dense bricks and insulating bricks designed for heat resistance, corrosion resistance, and thermal stability across demanding industrial applications.
Dense Bricks
Siliceous Fireclay Bricks (25-30% Al2O3)
Definition: High-silica bricks made from calcined kaolin and fireclay.
Applications: tunnel kiln for clay bricks,runners mcylon preheater in cement , Linings for boilers, flues, and industrial chimneys where moderate thermal stress occurs.
Fireclay Bricks (35-45% Al2O3)
Definition: Standard refractory bricks with balanced alumina-silica composition.
Applications: pouring furnaces ,ladles mincinerator, tunnel kilns ,blast funeces Cement kilns, glass furnaces, and petrochemical reactors.
Aluminous Fireclay Bricks (50-65% Al2O3)
Definition: High-alumina bricks with enhanced corrosion resistance.
Applications: Steel ladles, blast furnaces, and incinerators,cement rotary kilns, lime calcinationkilns.
High-Alumina Bricks (70-85% Al2O3)
Definition: Premium bricks with corundum aggregates for extreme conditions.
Applications: Rotary kiln burning zones, electric arc furnaces,steel ladels ,lime kilns,aluminuim melting furnaces ,kiln fro chemical industry .
Chemically bonded High-Alumina Bricks up to 85% Al2O3
Definition: phosphate bonded high alumina bricks .
Applications: steel ladels , electric arc furnaces,steel ladels ,burner ladles,aluminuim melting furnaces ,kiln fro chemical industry .
Lightweight Insulating Bricks
Applications: Backup insulation for furnaces, kilns, and reactors.
Properties: Low thermal conductivity (0.5-1.0 W/m?K), density 0.8-1.2 g/cm?.
2. Unshaped Refractories (Monolithic Products)
Castables and mortars for lining, patching, bricklaying, and high-temperature bonding requirements.
Castables
Traditional Castables
Definition: Hydraulic-bonded mixtures with 40-97% Al?O?.
Applications: Pouring furnace floors, patching kiln linings.
Low-Cement Castables (LCC)
Definition: Reduced cement content for higher density and strength.
Applications: Ladle linings, tundishes.
Lightweight Castables
Definition: Insulating mixtures with porous aggregates.
Applications: Thermal barriers in boilers and heaters.
Mortars
Air-Setting Wet Mortars
Definition: Ready-mix plastic mortars (30-72% Al?O?).
Applications: Laying dense/lightweight bricks; forms impermeable joints.
Advantages: Low shrinkage, high hot strength.
Heat-Setting Dry Mortars
Definition: Dry mixes that develop ceramic bonds when fired.
Applications: High-temperature bricklaying (e.g., ACR-HM80 for 1650?C).
3. Specialty Products
Cordierite-Bonded Products (ACR-Cord1/ACR-Cord2)
Definition: Magnesium-aluminosilicate ceramics for thermal cycling.
Applications: Kiln furniture in ceramic/tile manufacturing.
Calcined Kaolin
Definition: Pre-fired kaolin for refractory matrices.
Applications: Binder in castables/mortars, improves volume stability.
4. Custom Shapes
Ladle/Sleeve/Nozzle shapes (steel industry)
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Refractories Materials
Shaped and unshaped refractory products for furnaces, kilns, ladles, reactors, and high-temperature industrial processes.
1. Shaped Refractory
Dense bricks and insulating bricks designed for heat resistance, corrosion resistance, and thermal stability across demanding industrial applications.
Dense Bricks
Siliceous Fireclay Bricks (25-30% Al?O?)
Definition: High-silica bricks made from calcined kaolin and fireclay.
Applications: tunnel kiln for clay bricks,runners mcylon preheater in cement , Linings for boilers, flues, and industrial chimneys where moderate thermal stress occurs.
Fireclay Bricks (35-45% Al?O?)
Definition: Standard refractory bricks with balanced alumina-silica composition.
Applications: pouring furnaces ,ladles mincinerator, tunnel kilns ,blast funeces Cement kilns, glass furnaces, and petrochemical reactors.
Aluminous Fireclay Bricks (50-65% Al?O?)
Definition: High-alumina bricks with enhanced corrosion resistance.
Applications: Steel ladles, blast furnaces, and incinerators,cement rotary kilns, lime calcinationkilns.
High-Alumina Bricks (70-85% Al?O?)
Definition: Premium bricks with corundum aggregates for extreme conditions.
Applications: Rotary kiln burning zones, electric arc furnaces,steel ladels ,lime kilns,aluminuim melting furnaces ,kiln fro chemical industry .
Chemically bonded High-Alumina Bricks up to 85% Al?O?
Definition: phosphate bonded high alumina bricks .
Applications: steel ladels , electric arc furnaces,steel ladels ,burner ladles,aluminuim melting furnaces ,kiln fro chemical industry .
Lightweight Insulating Bricks
Applications: Backup insulation for furnaces, kilns, and reactors.
Properties: Low thermal conductivity (0.5-1.0 W/m?K), density 0.8-1.2 g/cm?.
2. Unshaped Refractories (Monolithic Products)
Castables and mortars for lining, patching, bricklaying, and high-temperature bonding requirements.
Castables
Traditional Castables
Definition: Hydraulic-bonded mixtures with 40-97% Al?O?.
Applications: Pouring furnace floors, patching kiln linings.
Low-Cement Castables (LCC)
Definition: Reduced cement content for higher density and strength.
Applications: Ladle linings, tundishes.
Lightweight Castables
Definition: Insulating mixtures with porous aggregates.
Applications: Thermal barriers in boilers and heaters.
Mortars
Air-Setting Wet Mortars
Definition: Ready-mix plastic mortars (30-72% Al?O?).
Applications: Laying dense/lightweight bricks; forms impermeable joints.
Advantages: Low shrinkage, high hot strength.
Heat-Setting Dry Mortars
Definition: Dry mixes that develop ceramic bonds when fired.
Applications: High-temperature bricklaying (e.g., ACR-HM80 for 1650?C).
3. Specialty Products
Cordierite-Bonded Products (ACR-Cord1/ACR-Cord2)
Definition: Magnesium-aluminosilicate ceramics for thermal cycling.
Applications: Kiln furniture in ceramic/tile manufacturing.
Calcined Kaolin
Definition: Pre-fired kaolin for refractory matrices.
Applications: Binder in castables/mortars, improves volume stability.
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