Insulation Bricks (Mateshwari, Perfect, Insultherm

• Application
• Furnaces, kilns, fireboxes, lining of incinerators, steel plants, cement, glass & ceramic industries

• Chemical Composition
• IS6: 30-35% Al2O3, IS8: 40-45% Al2O3, High Alumina: 50-90% Al2O3, Magnesite: 80-90% MgO

• Color
• Light Yellow, Buff, Brown, Off-White (IS6, IS8); White/Cream (High Alumina); Greyish-White (Magnesite)

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

• Dimensional Stability
• Other, Stable up to designated service temperature; low thermal expansion

• Form
• Solid bricks, blocks, custom shapes

• Hardness (%)
• High abrasion resistance (>80%)

• Melting Point
• 1580C - 1850C (IS6, IS8); up to 1900C (High Alumina); up to 2800C (Magnesite)

• Porosity
• 18% - 24% (IS6 & IS8); 16% - 22% (Alumina); <19% (Magnesite)

• Product Type
• Other, Refractory Fire Bricks & Shapes

• Purity(%)
• 35% - 99% (Alumina or Magnesite content, as per grade)

• Shape
• Other, Rectangular, Arch, Wedge, Cupola, Custom Shapes

• Specific Gravity
• 2.3 - 2.6

• Strength
• Hot MOR: up to 25 N/mm2 (High Alumina); Maximum crushing strength 350 kg/cm2 (IS6, IS8); High mechanical strength (Magnesite)

• Surface Finish
• Smooth and uniform

• Thermal Conductivity
• 0.9 - 1.5 W/mK at 1000C (Alumina); 2.5 - 3.0 W/mK (Magnesite)

• Types of Refractories
• Other, Silica Alumina (IS6, IS8, Alumina); Basic (Magnesite)

• Usage & Applications
• Lining of industrial furnaces, chimneys, kilns, boilers, incinerators, fireboxes and process plants

• Water Absorption
• 16% - 18% (IS6); 10% - 12% (Alumina); <5% (Magnesite)

• Application
• Used for lining of furnaces, kilns, incinerators and reactors

• Chemical Composition
• Alumina, Silica

• Color
• Off-white to light yellow

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Solid Brick

• Hardness (%)
• Moderate, designed for insulation rather than wear

• Melting Point
• Over 1700C

• Porosity
• Approximately 50-60%

• Purity(%)
• Typically 99% (Alumina+Silica)

• Shape
• Other, Rectangular Brick

• Specific Gravity
• 2.3 - 2.5

• Strength
• High compressive strength, typically 40-80 kg/cm2

• Surface Finish
• Smooth

• Types of Refractories
• Other, Insulating Fire Brick (IFB)

• Usage & Applications
• Linings of high temperature industrial furnaces, backup insulation, reactor linings

• Water Absorption
• 35-45%

• Application
• Furnace Lining, Kilns, Boilers, Chimneys, Back-Up Insulation

• Chemical Composition
• High Alumina, Low Iron

• Color
• Yellowish/Light Brown

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

• Dimensional Stability
• Other, Stable up to 1200C

• Form
• Solid Brick

• Hardness (%)
• 60 - 70%

• Melting Point
• 1400C - 1500C

• Porosity
• 45 - 60%

• Purity(%)
• 98%

• Shape
• Other, Rectangular/Customized

• Specific Gravity
• 1.7 - 2.0

• Strength
• Cold Crushing Strength: 15 - 25 kg/cm2

• Surface Finish
• Smooth

• Types of Refractories
• Other, Insulating Refractories

• Usage & Applications
• Thermal Insulation in Industrial Furnaces, Hot Surface Back-Up, Boilers

• Water Absorption
• 35 - 40%

• Application
• Chemical plants, reactors, flooring, drainage, tanks

• Chemical Composition
• SiO2: 70-75%, Al2O3: 18-25%

• Color
• Cream/Off-white

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

• Dimensional Stability
• Other, Stable under chemical/thermal stress

• Form
• Solid

• Hardness (%)
• 7 (Mohs scale)

• Melting Point
• Above 1400C

• Porosity
• 10-13%

• Purity(%)
• >99%

• Shape
• Other, Rectangular, Square, Brick

• Specific Gravity
• 2.35 - 2.45

• Strength
• Compressive strength > 700 kg/cm2

• Surface Finish
• Smooth, Glazed

• Types of Refractories
• Other, Acid-resistant Silica-based

• Usage & Applications
• Used in floorings, tanks, chemical plants, refineries

• Water Absorption
• <0.5%

• Application
• Kiln furniture, glass tank regenerators, blast furnace walls, coke oven walls, high-temperature insulation

• Chemical Composition
• Al2O3: 40-45%, SiO2: 50-55%

• Color
• Light Grey

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

• Dimensional Stability
• Other, High stability under temperature variation

• Form
• Solid

• Hardness (%)
• Above 95%

• Melting Point
• 1780C

• Porosity
• 45 - 50%

• Purity(%)
• Above 97%

• Shape
• Other, Rectangular, Arch, Tile

• Specific Gravity
• 2.20 - 2.40

• Strength
• 40 - 60 kg/cm2 (Cold Crushing Strength)

• Surface Finish
• Smooth

• Types of Refractories
• Other, Insulating Refractory

• Usage & Applications
• Heating chambers, lining for furnaces, insulation in steel, ceramic, petrochemical industries

• Water Absorption
• 35 - 40%

• Application
• Lining of furnaces, converters, kilns and heating equipment

• Chemical Composition
• Magnesium Oxide (MgO): 85-97%, Silica (SiO2): <3%

• Color
• Light Brown

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

• Dimensional Stability
• Other, Excellent dimensional stability at high temperatures

• Form
• Solid Brick

• Hardness (%)
• 60 - 75 HRB

• Melting Point
• 2800C

• Porosity
• 16-18%

• Purity(%)
• Up to 97%

• Shape
• Other, Rectangular, customized shapes available

• Specific Gravity
• 2.9-3.05

• Strength
• High Cold Crushing Strength (CCS)

• Surface Finish
• Smooth

• Types of Refractories
• Basic Refractory

• Usage & Applications
• Used in steel making, non-ferrous metals, glass and ceramic industries

• Water Absorption
• < 0.5%

• Application
• Lining of furnaces, steel ladles, non-ferrous metal furnaces, cement rotary kilns

• Chemical Composition
• MgO (60-65%), Cr2O3 (8-18%)

• Color
• Dark Brown to Black

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Solid, Brick

• Hardness (%)
• High (non-specified, tailored for industrial use)

• Melting Point
• 2000C (approx)

• Porosity
• 16-18%

• Purity(%)
• >95%

• Shape
• Other, Rectangular / Standard brick

• Specific Gravity
• 2.95 - 3.10

• Strength
• Cold Crushing Strength: 350-500 kg/cm2

• Surface Finish
• Smooth

• Types of Refractories
• Basic Refractory

• Usage & Applications
• Steel industry, Cement industry, Non-ferrous metal industry

• Water Absorption
• <2%

• Application
• Industrial Furnace Lining, Steel, Cement, Glass, Petrochemical and Non-ferrous Metal Industries

• Chemical Composition
• Al2O3 (Alumina): 40-99%

• Color
• Light Yellow / Buff

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

• Dimensional Stability
• Other

• Form
• Solid Block / Brick

• Hardness (%)
• High Hardness, >8 Mohs

• Melting Point
• Above 1700C

• Porosity
• 16-23%

• Purity(%)
• Up to 99%

• Shape
• Other

• Specific Gravity
• 2.3-3.2 g/cm3

• Strength
• Cold Crushing Strength: 450-1200 kg/cm2

• Surface Finish
• Smooth

• Types of Refractories
• Other

• Usage & Applications
• Furnace Linings, Kilns, Incinerators, Chemical Reactors

• Water Absorption
• Less than 2%