Natural Minerals And Refractories

• Application
• Refractory lining, construction, steel & cement industries

• Chemical Composition
• Alumina & Silica rich

• Color
• Light brown to off-white

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Lump

• Hardness (%)
• 78-82%

• Melting Point
• 1350C - 1450C

• Porosity
• 20-28%

• Product Type
• Other, A Grade RCC Clay Lumps

• Purity(%)
• 90%

• Shape
• Other, Irregular lumps

• Specific Gravity
• 2.3 - 2.5

• Strength
• High mechanical strength

• Surface Finish
• Rough

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Fireclay refractory

• Usage & Applications
• Used in furnaces, kilns, ladles, and boilers

• Water Absorption
• 12-18%

• Application
• Ceramic Industry, Glass Manufacturing, Tiles, Sanitaryware

• Chemical Composition
• Feldspar Group Silicate Mineral

• Color
• White

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

• Dimensional Stability
• Other, Excellent after firing

• Form
• Fine Powder

• Hardness (%)
• 6 (Mohs Scale)

• Melting Point
• 1200C - 1300C

• Porosity
• Low

• Product Type
• Other, Mineral Powder

• Purity(%)
• 95% Min.

• Shape
• Powder

• Specific Gravity
• 2.56 - 2.62

• Strength
• High mechanical strength after firing

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Acidic Refractory

• Usage & Applications
• Glass, Ceramics, Glazes, Insulators

• Water Absorption
• 0.5%

• Application
• Abrasive, Refractory, Surface Preparation

• Chemical Composition
• Aluminum Oxide

• Color
• White

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Powder

• Hardness (%)
• Mohs Hardness 9

• Melting Point
• 2040C

• Porosity
• Low

• Product Type
• Other, Industrial Grade Powder

• Purity(%)
• >99%

• Shape
• Other, Fine Powder

• Specific Gravity
• 3.96 g/cm3

• Strength
• High mechanical strength

• Surface Finish
• Smooth

• Thermal Conductivity
• 30 W/mK

• Types of Refractories
• Other, High Alumina Refractory

• Usage & Applications
• Polishing, Lapping, Blasting, Ceramics, Electronics

• Water Absorption
• Negligible

• Application
• Ceramics, vitrified tiles, sanitary ware, insulators, and as a binder in foundry sands

• Chemical Composition
• Al2O3: 26-32%, SiO2: 58-63%, Fe2O3: <1.5%, TiO2: <1%, CaO: <0.5%, MgO: <0.5%

• Color
• White to creamy

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

• Dimensional Stability
• Other, Excellent on firing

• Form
• Powder, Lumps

• Hardness (%)
• 2.0 - 2.5 (Mohs)

• Melting Point
• 1380 - 1550 C

• Porosity
• Moderate

• Product Type
• Other, Ball Clay

• Purity(%)
• Up to 98%

• Shape
• Other, Lumps or powder

• Specific Gravity
• 2.6 - 2.7

• Strength
• High plasticity and strength when wet

• Surface Finish
• Smooth after firing

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Clay-based refractories

• Usage & Applications
• Ceramics, pottery, sanitary ware, construction material

• Water Absorption
• 15 - 20% (depends on grade)

• Application
• Industrial

• Chemical Composition
• Montmorillonite, with traces of Feldspar and Quartz

• Color
• Grey

• Density
• 1100 Gram per cubic centimeter(g/cm3)

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Hardness (%)
• Mohs 1-2

• Melting Point
• 1350C

• Porosity
• Low

• Product Type
• Other, Mineral Refractory

• Purity(%)
• 98%

• Shape
• Powder

• Specific Gravity
• 2.6 - 2.8

• Strength
• High

• Surface Finish
• Fine

• Thermal Conductivity
• 0.3 - 0.5 W/mK

• Types of Refractories
• Other, Natural

• Usage & Applications
• Foundry, Drilling, Iron Ore Pelletizing, Construction

• Water Absorption
• 20-25%

• Application
• Industrial furnaces, kilns, boilers, foundries, steel plants, lining of fireboxes, glass industries, pottery

• Chemical Composition
• Al2O3 30-45%, SiO2 50-60%, Fe2O3 <3%

• Color
• Yellowish-brown

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

• Dimensional Stability
• Other, Excellent at high temperatures

• Form
• Solid bricks/block

• Hardness (%)
• >90% Mohs

• Melting Point
• 1500C - 1700C

• Porosity
• 16% - 22%

• Product Type
• Other, Fire Clay Brick

• Purity(%)
• 95%+

• Shape
• Other, Rectangular brick/block

• Specific Gravity
• 2.2 - 2.8

• Strength
• Cold Crushing Strength: 250 - 400 kg/cm2

• Surface Finish
• Smooth

• Thermal Conductivity
• 0.8 - 1.1 W/mK

• Types of Refractories
• Other, High Alumina Refractory

• Usage & Applications
• Construction and repair of high-temperature furnaces and kilns

• Water Absorption
• 13% - 16%

• Application
• Used as a reinforcing agent in rubber products, pigments for inks, plastics, coatings, metallurgy, and battery electrodes

• Chemical Composition
• C (Carbon) 99%

• Color
• Black

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Hardness (%)
• 75-80 (Mohs scale: ~1-2)

• Melting Point
• Sublimes at 3652 C (6606 F)

• Porosity
• Low

• Product Type
• Other, High Grade Carbon Powder

• Purity(%)
• 99% Min

• Shape
• Other, Powder (amorphous/fine-granular)

• Specific Gravity
• 1.80 - 2.10 g/cm3

• Strength
• High mechanical strength

• Surface Finish
• Fine powder finish

• Thermal Conductivity
• Moderate to high (varies: typically 80-250 W/mK)

• Types of Refractories
• Other, Carbon Refractories

• Usage & Applications
• Pigments, conductive pastes, metallurgy, friction materials, refractory brick manufacture

• Water Absorption
• Negligible

• Application
• Ceramics, Paper, Paint, Rubber, Detergents, Refractories

• Chemical Composition
• 95%+ Kaolinite

• Color
• White

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder

• Hardness (%)
• 2-2.5 Mohs

• Melting Point
• 1750C approx.

• Porosity
• Low

• Purity(%)
• 98% minimum

• Shape
• Powder

• Specific Gravity
• 2.61

• Strength
• High durability

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Acidic

• Usage & Applications
• Ceramic industry, rubber and paint filler, pharmaceuticals, cosmetics

• Water Absorption
• < 1%

• Application
• Ceramics Industry, Glass Manufacturing, Tiles & Sanitary Ware

• Chemical Composition
• K2O, Na2O, Al2O3, SiO2, Fe2O3

• Color
• Off White

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

• Dimensional Stability
• Other, Excellent

• Form
• Powder/Granules

• Hardness (%)
• Mohs 6-6.5

• Melting Point
• 1100 - 1250C

• Porosity
• Low

• Purity(%)
• 96% Min

• Shape
• Other, Granular / Powder

• Specific Gravity
• 2.54 - 2.57

• Strength
• High

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Acidic Refractories

• Usage & Applications
• Used in ceramics, glass, vitrified tiles, and sanitary ware production

• Water Absorption
• Less than 0.5%

• Application
• Glass Industry, Ceramics, Foundry, Construction, Paints, Plastics

• Chemical Composition
• SiO2: 99% min, Fe2O3: <0.02%

• Color
• White

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

• Dimensional Stability
• Other, Excellent

• Form
• Fine Powder

• Hardness (%)
• 7 (Mohs scale)

• Melting Point
• 1710C

• Porosity
• Very low

• Product Type
• Other, Mineral Powder

• Purity(%)
• 99%

• Shape
• Powder

• Specific Gravity
• 2.65

• Strength
• High mechanical strength

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Siliceous

• Usage & Applications
• Glass manufacturing, ceramics, abrasives, paints, rubber, adhesives

• Water Absorption
• <0.5%

• Application
• Refractory, Abrasive, Chemical Industries, Road Surfacing

• Chemical Composition
• Al2O3: 80-86%, Fe2O3: 2-4%, SiO2: 4-6%, TiO2: 2-4%

• Color
• Greyish to Brown

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

• Dimensional Stability
• Other, Excellent at high temperature

• Form
• Powder

• Hardness (%)
• Mohs Hardness 7 - 8

• Melting Point
• 1780C - 1850C

• Porosity
• Low

• Product Type
• Other, Industrial Mineral Powder

• Purity(%)
• 80-86%

• Shape
• Powder

• Specific Gravity
• 3.2 - 3.6 g/cm3

• Strength
• High mechanical strength

• Surface Finish
• Fine Powdered

• Thermal Conductivity
• Low

• Types of Refractories
• Other, Calcined Bauxite Refractory Material

• Usage & Applications
• Used in refractory lining, abrasive industry, road and pavement construction, and as raw material for high alumina cement

• Water Absorption
• <0.5%

• Application
• Paper, Paints, Plastics, PVC Pipe, Rubber, Pharma, Detergent, Adhesives, Construction

• Chemical Composition
• Calcium Carbonate (CaCO3)

• Color
• White

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

• Dimensional Stability
• Other, Stable under ambient conditions

• Form
• Powder

• Hardness (%)
• 3 (Mohs scale)

• Melting Point
• 825C (Decomposes)

• Porosity
• Low

• Product Type
• Other, Mineral Powder

• Purity(%)
• 98-99%

• Shape
• Other, Fine powder

• Specific Gravity
• 2.7

• Strength
• Good mechanical strength

• Surface Finish
• Smooth

• Thermal Conductivity
• Low

• Usage & Applications
• Widely used in industrial and commercial sectors as filler and coating agent

• Water Absorption
• 0.5%

• Application
• Refractory, Steel Manufacturing, Glass Industries, Agricultural, Water Treatment

• Chemical Composition
• CaO 55-60%, MgO 30-35%, SiO2 1.5-2%, minor Fe2O3, Al2O3

• Color
• White to Off White

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

• Dimensional Stability
• Other, Excellent stability at high temperature

• Form
• Powder

• Hardness (%)
• Mohs hardness: 3.5 - 4

• Melting Point
• 2500C (approx)

• Porosity
• 9% - 15%

• Product Type
• Other, Calcined Dolomite Powder

• Purity(%)
• 90%+ (combined CaO + MgO)

• Shape
• Powder

• Specific Gravity
• 2.8 - 3.0

• Strength
• High mechanical strength

• Surface Finish
• Fine

• Thermal Conductivity
• Good, between 2.5 - 3.5 W/mK

• Types of Refractories
• Basic Refractory

• Usage & Applications
• Flux for steelmaking, Glass production, Soil conditioner, Water treatment

• Water Absorption
• <1%