High Alumina Products

• Application
• Furnaces, Kilns, Stoves, Boilers, Incinerators, Chimneys lining, Steel Industry, Cement Industry

• Chemical Composition
• Alumina content: 40-90%

• Color
• Light Yellow / Buff

• Density
• 2.7 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, High; Maintains Shape at High Temperature

• Form
• Solid Brick

• Hardness (%)
• > 90%

• Melting Point
• > 1700C

• Porosity
• 19% - 23%

• Product Type
• Refractories

• Purity(%)
• Up to 90%

• Shape
• Other, Rectangular / Custom Shapes

• Specific Gravity
• 2.3 - 2.7

• Strength
• Cold Crushing Strength: 35 - 80 MPa

• Surface Finish
• Smooth

• Thermal Conductivity
• 1.5 - 2.0 W/mK (at 1000C)

• Types of Refractories
• Other, High Alumina

• Usage & Applications
• Industrial lining for furnaces, kilns, boilers; construction in high-temperature zones

• Water Absorption
• < 10%

• Application
• Suitable for use in kiln cars, furnaces, and industrial heating chambers

• Chemical Composition
• Al2O3 content > 60%, SiO2, Fe2O3

• Color
• Light yellow to buff

• Density
• 2.7 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Solid brick

• Hardness (%)
• >8 Mohs

• Melting Point
• Above 1750C

• Porosity
• 16% - 20%

• Product Type
• Refractories

• Purity(%)
• 60% - 75% Al2O3

• Shape
• Other, Rectangular, arch, shoulder, and hanger shaped

• Specific Gravity
• 2.3 - 2.6

• Strength
• High compressive strength ( > 50 MPa )

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, High Alumina Refractories

• Usage & Applications
• Lining for industrial furnaces, kiln car superstructures, and shoulder regions

• Water Absorption
• Less than 2%

• Application
• Furnaces, kilns, incinerators, and lining in steel and cement industries

• Chemical Composition
• Al2O3, SiO2, small amounts of Fe2O3, TiO2

• Color
• Light Yellow to Brown

• Density
• 2.7 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Solid Brick

• Hardness (%)
• Mohs Hardness: 7 - 8

• Melting Point
• 1780C - 1850C

• Porosity
• 18% - 23%

• Product Type
• Refractories

• Purity(%)
• Alumina content 45% - 80%

• Shape
• Other, Rectangular, Arch, and Special Shapes

• Specific Gravity
• 2.3 - 2.65

• Strength
• Cold Crushing Strength > 50 MPa

• Surface Finish
• Smooth

• Thermal Conductivity
• 0.8 - 1.5 W/mK

• Types of Refractories
• Other, Acidic and Neutral

• Usage & Applications
• Used in steel plants, cement plants, glass industries, foundries, and other high-temperature environments

• Water Absorption
• < 12%

• Application
• Furnaces, kilns, boilers, incinerators, lining and repair

• Chemical Composition
• Al2O3 50-90%, SiO2, Fe2O3, CaO (varied)

• Color
• Light Yellow to Off-white

• Density
• 2.8 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at High Temperatures

• Form
• Powder

• Hardness (%)
• High

• Melting Point
• 1770C 1850C

• Porosity
• 16 23%

• Product Type
• Refractories

• Purity(%)
• >85%

• Shape
• Other, Powder & Granular

• Specific Gravity
• 2.6 2.8 g/cm

• Strength
• Cold Crushing Strength: 500 1100 kg/cm

• Surface Finish
• Smooth

• Thermal Conductivity
• 1.0 1.6 W/mK at 1000C

• Types of Refractories
• Other, Castables, Mortar

• Usage & Applications
• Construction, industrial furnaces, steel, cement, glass industries

• Water Absorption
• 6 8%

• Application
• Used for joining bricks and insulation in kilns, furnaces, and boilers

• Chemical Composition
• Alumina, Silica, Calcium Oxide (CaO), Minor Oxides

• Color
• Off White

• Density
• 2.2 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Highly Stable Under Heat

• Form
• Powder

• Hardness (%)
• 60-70%

• Melting Point
• Up to 1700C

• Porosity
• Low to Medium

• Product Type
• Refractories

• Purity(%)
• 85-90%

• Shape
• Other, Powdered form

• Specific Gravity
• ~2.6

• Strength
• High Bond Strength

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Fire Clay Refractory

• Usage & Applications
• Lining, Patching, Joining Refractory Bricks in Industrial Furnaces

• Water Absorption
• 30% - 40%

• Application
• Used for refractory constructions, furnaces, and high temperature installations.

• Chemical Composition
• High Al2O3 content, typically 50%-60% alumina

• Color
• Dark Gray / Black

• Density
• 3.1 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent at elevated temperatures

• Form
• Powder

• Hardness (%)
• High

• Melting Point
• Approx. 1600C - 1700C

• Porosity
• Medium

• Product Type
• Refractories

• Purity(%)
• 50%-60% Al2O3

• Shape
• Powder

• Specific Gravity
• 2.9 - 3.1

• Strength
• High initial strength, approx. 30-40 MPa after 24 hours

• Surface Finish
• Fine

• Thermal Conductivity
• Low

• Types of Refractories
• Other, High Alumina Refractories

• Usage & Applications
• Used in refractory lining, kiln furniture, and heat resistant mortars

• Water Absorption
• Low