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Refractory Raw Materials

The Products offered for the manufacturer of refractories includes White fused Alumina, Brown fused Alumina, Slicon Carbide, Fused Spinel Fused Mullite, Fused Zirconia Mullite, Fused Alumina Bubble, Calcined Bauxite Fused silica, Boron Carbide, Fused Zirconia, Zircon Sand and Flour, Fused Alumina Zirconia Silica, Silicon Metal, Calcined Alumina, Fused and Dead Burnt Megnesite, White Tabular Alumina, Sintered Mullite and Spinel and Calcium Aluminate Cement.



Silicon Carbide


Black Silicon Carbide

Black silicon carbide is produced in an electric resistance furnace by adding Quartz and raw petroleum coke. SiC is exptensively used in producing Refractory Tiles and bricks, castables as well as trough and tap hole mass.

Silicon Carbide 97 % Min ( For Refractory bricks, shapes and castables)

Product Specifications
Elements Spec
Sic 97% Min
Free Carbon 0.5 % Max
Fe2O3 1.0 % Max
SiO2 1.5% Max

Silicon Carbide 85 % Min ( For tap hole clay and trough mass)

Product Specifications
Elements Spec
Sic 85% Min
Free Carbon 4.5 % Max
Fe2O3 4.5 % Max
SiO2 5.0% Max

Size : Lumps 0-20mm or 0-1,1-3,3-5mm
Silicon Carbide

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Fused Spinel


Fused spinel produced by Fusing calcined Alumina and Caustic calcined Magnesite in controlled proportions. Fused spinels are used to produce Bricks and Castacles in areas where slad resistance is key.

Items

Unit

BRANDS

 

 

AM-70

AM-65

AM-85

AM90

 

Chemical

Composition

 

 

 

 

 

 

 

 

 

Al2O3

%

71-76

63-68

82-87

88-92

MgO

%

22-27

31-35

12-17

8-12

 

CaO2

%

0.65max

0.80max

0.50max

0.40max

 

Fe2O3

%

0.40max

0.40max

0.40max

0.40max

SiO2

%

0.40max

0.50max

0.40max

0.25max

NaO2

%

0.40max

0.50max

0.50max

0.50max

Fused Spinel

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Fused Mullite


Fused Mullite is produced by fusing Calcined Alumina and Silica sand in controlled proportions to form the Mullite phase. Fused mullite bricks and shapes are extensively used in Glass making and ceramic kiln manufacturing.

tems

Unit

Index

 

Chemical

Composition

 

 

 

 

 

 

 

 

 

Al2O3

%

70.00-77.00

SiO2

%

22.00-29.00

 

Fe2O3

%

0.1max

Na2O

%

0.40max

Refractoriness

 

1850

Bulk density

g/cm3

3.00min

Glass Phase content

%

5-6

3AI2AI32SiO2 Phase

%

95min

Fused Mullite

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Fused Zirconia Mullite


Fused Zirconia Mullite is produced by fusing Zircon sand and Calcined Alumina in an arc furnace. Fused Zirconia Mullite are used for producing Zirmull bricks and shapes which are used in the Glass Industry as well as an additive in Continuous casting refractories.

Items

Unit

Index

 

Chemical

Composition

 

 

 

 

 

 

 

 

 

Al2O3

%

41.00-46.00

ZrO3

%

35.00-39.00

 

SiO2

%

16.50-20.0

 

Fe2O3

%

0.2max

Bulk Density

g/cm3

3.6min

Apparent porosity

%

3.00max

 

 

 

 

Phase

3AI2O3.2SiO2

%

50-55

Indined ZrSiO4

%

30-33

Corundum

%

5.00max

Glass

%

5.00max

Fused Zirconia Mullite

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Fused Alumina Bubble


Fused Alumina Bubble is produced by blowing the melt of Calcined Alumna in a controlled atmosphere to produce hollow spheres. Due to its low density, fused alumina bubble is ideal for high alumina based Insulating Bricks and castables.

 

Index

Properties

Guarantee value

Typical value

 

Chemical

Composition(%)

 

Al2O3

99min

99.51

SiO2

0.2max

0.14

 

Fe2O3

0.1max

0.05

Na2O

0.4max

0.25

Packing density(g/cm3)

0.5-1.0

0.74

Damaged rate(%)

<15

12

Refractoriness(0C)

1800

Particle Size

5-0.2mm, 0.2-1mm,1-3mm,3-5mm

Test standard

GB/T3044-89

Packing

20kg/plastic bag(Dampproof)

Usage

Refractories

Fused Alumina Bubble

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Calcined Bauxite


Calcined Bauxite is produced by calcining raw bauxite in a rotary, shaft or round Kiln. Calcined Bauxite is a major ingredient in making various types of Alumina Bricks and castables.

RKB 85: AI203:85%(min)

  • Fe203:2%(max)
  • TiO2:0.4%(max)
  • CaO:0.4%(max)
  • MgO:0.3%(max)
  • B.D.(g/cm3):3.0(min)
RKB 86: AI2O3:86%(min)
  • Fe2O3:1.8(max)
  • TiO2:0.4%(max)
  • CaO:0.4%(max)
  • MgO:0.3%(max)
  • B.D.(g/cm3)3.1(min)
RKB 88: AI2O3:88%(min)
  • Fe2O3:1.6%(max)
  • TiO2:0.4%(max)
  • CaO:0.4%(max)
  • MgO:0.3%(max)
  • B.D.(g/cm3):3.2(min)
RKB 90: AI2O3:90%(min)
  • Fe2O3:1.6%(max)
  • TiO2:0.4%(max)
  • CaO:0.4%(max)
  • MgO:0.3%(max)
  • B.D.(g/cm3):3.3(min)
Calcined Bauxite

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Fused Silica


Fused Silica is produced by fusing high purity silica in a special furnace. Fused Silica is used in refractories as an additive for continuous casting refractories.

Item Fused Silica
Fused Silica Block Fused Silica Sand Fused Silica Powder Crystal Silica Cristobalite Silica Powder
SiO2 99.90% 99.90% 99.80% 99.60% 99.5%min
AI2O3 30ppm 30ppm 0.20% 0.30% 0.25%max
Fe2O3 20ppm 30ppm 0.01% 0.03% 0.035%max

Na 11ppm Na 11ppm Ti2O 0.001% Ti2O 0.01% Ti2O 0.01%max
K2O 0.06%max
CaO 0.001%max
L.O.I. 0.15%0.15% 0.15% 0.15% 0.15% 0.15%max
Density 2 2 2 2.65 2.25-2.45
Mohs Hardness 7 7 6 7 6.5-7.5
Size 1-100mm 0.1-15mm 200-2000meshs 200-2000meshs FG-300,600,900
Fused Silica

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Boron Carbide


Boron carbide is a key ingredient for producing con cast refractories. It is a multipurpose abrasive and lapping agent with chemical resistance and hardness similar to diamond. These are offered by us in different grain sizes and purities to suit the diverse requirements of clients.


Brands

B(%)

C(%)

Fe2O3(%)

Si(%)

B4C

F-12---F150

77-80

17-19

0.25-0.45

0.2-0.4

96-98

F180F240

76-79

17-19

0.25-0.45

0.2-0.4

95-97

F280F400

75-79

17-20

0.3-0.6

0.3-0.8

93-97

F500F800

74-78

17-20

0.4-0.8

0.4-1.0

90-94

F1000-F1200

73-77

17-20

0.5-1.0

0.4-1.0

89-92

60 150 mesh

76-80

18-21

0.3max

0.5max

95-98

-100mesh

75-79

17-22

0.3max

0.5max

94-97

-200mesh

74-79

17-22

0.3max

0.5max

94-97

-325mesh

73-78

19-22

0.5max

0.5max

93-97

-25micron

73-78

19-22

0.5max

0.5max

91-95

10micron

72-76

18-21

0.5max

0.5max

90-92

Boron Carbide

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Sintered Mullite And Spinel


Sintered Mullite And Spinel are produced by sintering calcined alumina and silica and magnesia in a special kiln, Both these Sintered Mullite And Spinel are used to manufacture special refractory shapes.

Chemistry Component

Physics Chemistry

AL2O3

60-62

SiO2

36-38

Fe2O3

<0.8

K2O

<0.3

Volume density

>2.65

Chemistry component

 

Physics chemistry

AL203

70-72

SiO2

26-28

Fe2O3

<1

K2O

<0.2

Na2O

<0.06

Volume density

>2.83

Sintered Mullite And Spinel

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Calcium Aluminate Cement


Calcium aluminate cement is a key ingredient used in the manufacturing of refractory castables. Sourced from well known vendors of the market, this cement also find application in industrial flooring products, chemical resistant mortars & concretes, sewer applications, floor screeds, tile adhesives and various others.

Reactive Alumina and Alumina Micropowders

Elements

Index

B2L-06DCT-3000SG

B2M-12DCTC40

B2M-4DCT800SG

 

 

Typical

Min

Max

Typical

Min

Max

Typical

Min

Max

AL2O3

%

99.53

99.0

99.60

99.46

99

99.7

99.47

99

99.65

SiO2

%

0.06

 

0.15

0.06

 

0.15

0.04

 

0.15

Na2O

%

0.05

 

0.10

0.16

 

0.30

0.25

 

0.25

Fe2O3

%

0.04

 

0.10

0.04

 

0.10

0.04

 

0.10

True density

 

3.94

3.93

 

3.94

 

3.93

3.96

3.95

 

Specific surface area

M2g

1.3

1.0

1.5

1.15

0.9

1.5

0.56

0.50

0.8

D50 laser

 

1.05

0.88

1.20

1.26

1.0

1.60

3.5

3.0

5.0

Calcium Aluminate Cement

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Contact us

Mr. S. Srikrishna (Chief Executive)
T1 & T2, Green Palace, Bharathi Street, Subramania Nagar
Salem, Tamil Nadu - 636 005, India
Telephone:  +(91)-(427)-2334697



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