Refractory Castables

• Application
• Used for lining and repairing boilers, furnaces, kilns, incinerators and similar high-temperature applications.

• Chemical Composition
• Alumina based refractory composition

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Castable refractory powder

• Melting Point
• 1700C approx.

• Porosity
• Low

• Product Type
• Other, Unicast 95

• Purity(%)
• Up to 95%

• Shape
• Powder

• Specific Gravity
• 2.7-2.9

• Strength
• High compressive strength

• Surface Finish
• Smooth when cast

• Thermal Conductivity
• Low thermal conductivity

• Types of Refractories
• Other, Monolithic Refractory (Castable)

• Usage & Applications
• For patching, lining, repairs and construction in foundries, boilers, furnaces, and industrial kilns.

• Water Absorption
• Low

• Application
• Furnaces, Kilns, Boilers, Incinerators, Casting areas

• Chemical Composition
• Alumina-Silicate Based

• Color
• Light Grey

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

• Dimensional Stability
• Other, Good at high temperature

• Form
• Castable (dry supplied, wet on application)

• Hardness (%)
• 60 - 70%

• Melting Point
• 1400C - 1600C

• Porosity
• Medium

• Product Type
• Other, Monolithic Refractory

• Purity(%)
• 85% - 95%

• Shape
• Other, Powder/Granular

• Specific Gravity
• 2.3 - 2.7

• Strength
• 25 - 50 MPa (at 110C)

• Surface Finish
• Matte / Rough (after setting)

• Thermal Conductivity
• 1.10 W/mK (average at 500C)

• Types of Refractories
• Other, Conventional Castable Refractory

• Usage & Applications
• Lining of furnaces, reactors and chimney

• Water Absorption
• 8-12%

• Application
• Furnaces, Kilns, Boilers, Incinerators, Lining of combustion chambers

• Chemical Composition
• Al2O3, SiO2, CaO, minor Fe2O3

• Color
• Gray

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

• Dimensional Stability
• Other, Excellent, minimal shrinkage at high temperatures

• Form
• Castable, supplied dry - mix with water before use

• Hardness (%)
• Not applicable (monolithic castable)

• Melting Point
• Above 1750C

• Porosity
• 13 - 16%

• Product Type
• Other, Refractory Castable

• Purity(%)
• Al2O3 content: 50 - 55%

• Shape
• Other, Powder (monolithic, castable form)

• Specific Gravity
• 2.7 - 2.8

• Strength
• Cold Crushing Strength (CCS) 70 MPa

• Surface Finish
• Smooth after casting and setting

• Thermal Conductivity
• 1.6 - 1.9 W/mK at 1000C

• Types of Refractories
• Other, Low Cement Castable

• Usage & Applications
• Used for lining high temperature zones due to its high mechanical strength and resistance to abrasion

• Water Absorption
• 7%

• Application
• Furnace lining, kilns, ladle & tundish lining

• Chemical Composition
• Alumina-Silicate base

• Color
• Grey

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

• Dimensional Stability
• Other, Highly stable at high temperature

• Form
• Powder

• Melting Point
• 1800C

• Porosity
• 14-16%

• Product Type
• Other, Refractory Castable

• Purity(%)
• 60% Al2O3 minimum

• Shape
• Other, Powder/Granular

• Specific Gravity
• 2.60 g/cm3

• Strength
• Cold Crushing Strength 70-90 MPa

• Surface Finish
• Smooth when set

• Thermal Conductivity
• 1.20 W/mK at 1000C

• Types of Refractories
• Other, Low Cement Castable (LCC)

• Usage & Applications
• For use in high temperature industrial furnaces and thermal processing equipment

• Water Absorption
• Low (<8%)

• Application
• For Furnace & Boiler Lining

• Chemical Composition
• Al2O3 90% min

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Powder

• Hardness (%)
• High / Not Applicable (as powder)

• Melting Point
• 1800C

• Porosity
• Low

• Product Type
• Other, Refractory Castable

• Purity(%)
• 90%

• Shape
• Other, Powder (Castable)

• Specific Gravity
• 2.8 - 3.0 g/cm3

• Strength
• Cold Crushing Strength 80 kg/cm2

• Surface Finish
• Smooth after setting

• Thermal Conductivity
• Low

• Types of Refractories
• Other, High Alumina Castable

• Usage & Applications
• Lining of furnaces, boiler, kilns, incinerators

• Water Absorption
• Low

• Application
• Construction, Industrial linings, Kiln and furnace lining

• Chemical Composition
• Al2O3: 70%, SiO2: ~22%, Fe2O3: <2%

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Powder

• Hardness (%)
• 85%

• Melting Point
• 1700C

• Porosity
• 16% (Apparent Porosity)

• Product Type
• Other, Refractory Castable

• Purity(%)
• High Purity

• Shape
• Other, Powder (Monolithic refractory)

• Specific Gravity
• 2.7 g/cm3

• Strength
• 80-90 MPa (Cold Crushing Strength)

• Surface Finish
• Smooth

• Thermal Conductivity
• 1.13 W/mK at 1000C

• Types of Refractories
• Other, Low Cement Castable

• Usage & Applications
• Furnace lining, Kilns, Incinerators, Boilers

• Water Absorption
• Low (<5%)

• Application
• High Temperature Insulation, Lining of Furnaces, Kilns, Incinerators, etc.

• Chemical Composition
• Al2O3 40-42%, SiO2 54-55%, Fe2O3 <1%, TiO2 <1%

• Color
• Light Yellowish

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

• Dimensional Stability
• Other, High dimensional stability up to service temperature

• Form
• Solid Brick

• Melting Point
• 1770C

• Porosity
• High Porosity

• Product Type
• Other, Insulating Fire Brick

• Shape
• Other, Rectangular / Bricks

• Specific Gravity
• 2.40

• Strength
• Cold Crushing Strength 35 kg/cm2 minimum

• Surface Finish
• Smooth

• Thermal Conductivity
• 0.31 W/mk at 800C

• Types of Refractories
• Other, Fire Clay Refractory

• Usage & Applications
• Used in insulation lining for furnaces, kilns, and reactors

• Water Absorption
• Less than 35%

• Application
• Furnaces, Kilns, Lining for Rotary Kilns and Boilers

• Chemical Composition
• Al2O3 - 80%, SiO2 - 16%, CaO - 2.5%

• Color
• Light Grey

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

• Dimensional Stability
• Other, Excellent after firing at high temperature

• Form
• Castable

• Melting Point
• 1800C

• Porosity
• 15%

• Product Type
• Other, Low Cement Castable

• Purity(%)
• >80%

• Shape
• Other, Powder/Granular

• Specific Gravity
• 2.8

• Strength
• Cold Crushing Strength (CCS): 85 MPa

• Surface Finish
• Coarse/Fine as per grain size

• Thermal Conductivity
• 1.3 W/mK at 1000C

• Types of Refractories
• Other, Alumina Refractory

• Usage & Applications
• Used in high temperature applications such as steel, cement, and power plants

• Water Absorption
• < 5%

• Application
• Steel Plants, Furnaces, Kilns, Boilers, HRSGs, Chimney Lining, Incinerators, Foundries, Petrochemical Industries, Refineries etc.

• Chemical Composition
• Al2O3 (45% min), SiO2, Fe2O3

• Color
• White

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Hardness (%)
• High

• Melting Point
• 1770C

• Porosity
• Low

• Product Type
• Other, Refractory Castable

• Purity(%)
• 45% Al2O3 min.

• Shape
• Powder

• Specific Gravity
• 2.4 g/cc

• Strength
• Compressive Strength 350 kg/cm2, Modulus of Rupture 90 kg/cm2

• Surface Finish
• Smooth

• Thermal Conductivity
• 1.25 kcal/m/hrC

• Types of Refractories
• Other, High Alumina

• Usage & Applications
• Lining of furnaces, kilns, incinerators, and various high temperature applications.

• Water Absorption
• < 10%

• Application
• Industrial Furnaces, Boilers, Kilns, Incinerators

• Chemical Composition
• High Purity Alumina

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Hardness (%)
• 85%

• Melting Point
• 1840C

• Porosity
• 12%

• Product Type
• Other, Refractory Castable

• Purity(%)
• 90%

• Shape
• Other, Powder/Granular

• Specific Gravity
• 2.85 g/cm3

• Strength
• Cold Crushing Strength: 1000 kg/cm2

• Surface Finish
• Smooth

• Thermal Conductivity
• 1.50 W/mK (at 1100C)

• Types of Refractories
• Other, Low Cement Castable

• Usage & Applications
• Lining of high temperature furnaces and reactors

• Water Absorption
• 4%

• Application
• Refractory Lining, Furnace Patching, Kiln Maintenance

• Chemical Composition
• Alumino-Silicate Based

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent at High Temperatures

• Form
• Dry Powder

• Melting Point
• Above 1400C

• Porosity
• Controlled for Bonding Efficiency

• Product Type
• Other, Castable Refractory Mortar

• Purity(%)
• >99%

• Shape
• Powder

• Specific Gravity
• 2.3 - 2.4

• Strength
• High Bonding Strength

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Air Setting Refractory Mortar

• Usage & Applications
• Used in Steel, Cement, Glass, Petrochemical Furnaces & Kilns

• Water Absorption
• <10%

• Application
• For high temperature structural use in furnaces and kilns

• Chemical Composition
• Al2O3 - 45%, SiO2 - 52%, Fe2O3 - <2%

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Dry ready mix powder

• Melting Point
• 1700 C

• Porosity
• Controlled

• Product Type
• Other, Mortar

• Purity(%)
• By composition, main alumino-silicate phases

• Shape
• Powder

• Specific Gravity
• 2.8

• Strength
• High mechanical strength

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Monolithic Refractory

• Usage & Applications
• Used in laying fire bricks, insulation bricks and as a joining material for refractory bricks

• Water Absorption
• Less than 4%

• Application
• Furnace lining, Kiln patching, Boilers, Refractory repairs

• Chemical Composition
• High Alumina, Binder

• Color
• Grey

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Melting Point
• 1600C

• Porosity
• Low

• Product Type
• Other, Refractory Mortar

• Purity(%)
• >85%

• Shape
• Powder

• Specific Gravity
• 2.85

• Strength
• 90 Kg/cm2 (at 110C)

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Monolithic Refractories

• Usage & Applications
• Used for joining refractory bricks, lining, patching, insulation of kilns and furnaces

• Water Absorption
• Low

• Application
• Lining of steel ladles and other high-temperature furnace equipment

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

• Color
• Gray

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Powder

• Hardness (%)
• High (as per standard, typically > 90%)

• Melting Point
• Above 1700C

• Porosity
• 15% - 20%

• Product Type
• Other, Monolithic Castable

• Purity(%)
• > 70%

• Shape
• Other, Powder/Granular (monolithic refractory)

• Specific Gravity
• 2.8 - 3.0 g/cm3

• Strength
• Cold Crushing Strength > 55 MPa

• Surface Finish
• Smooth after setting and curing

• Thermal Conductivity
• 1.0-1.4 W/mK at 1000C

• Types of Refractories
• Other, Castable Refractory

• Usage & Applications
• Lining ladles in steel plants, non-ferrous metallurgical furnaces, foundry equipment, and power plants

• Water Absorption
• < 6%