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High Alumina Insulating Firebricks

 

 

Features For high temperature applications, superior resistance to reductive gases
Kinds ISO-COR, and ISO-COR H
Applications

1. High temperature ceramics baking furnaces
2. Powdered metallurgy sintering furnaces
3. Brazing furnaces
4. Reverberating furnaces for aluminum electrolysis
5. Hydrogenous atmosphere furnaces

Standard:

Item ISO-COR
Max. Temperature 1800
Bulk Density 1.40≧
Cold Crushing Strength (MPa) 6.9≦

Note: Above standard is subject to change without notice.

Test Results on Samples:

Reheat Shrinkage (%) at 1700X8hrs -0.15
Bulk Density 1.35
Thermal Conductivity at 350±10℃ 0.67
Cold Crushing Strength (MPa) 11.0
Modulus of Rupture (MPa) 3.8

Chemical Composition

Al2O3 78
SiO2 20
Fe2O3 0.5

 

Note: Above test results are average results of tests conducted under standard procedures and

subject to variation. Results should not be used for specification purposes.

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BAL-99 Insulating Firebricks

 

 

 

 

Features High alumina content, excellent strength, super stability at high temperatures
Kinds BAL-99, BAL-99M (increased strength), and BAL-LS (low soda)
Applications 1. Bright Annealing Furnaces (for stainless steel, non-ferrous alloy metal)
2. Metal Ceramic Sintering Furnaces
3. Brazing Furnaces
4. Semiconductor Firing Furnaces
5. Hydrogen Atmosphere Furnaces

Standard:

Item BAL-99 BAL-99M BAL-LS
Max. Temperature 1800 1800 1800
Bulk Density 1.60≧ 1.60≧ 1.60≧
Cold Crushing Strength (MPa) 9.8≦ 19.6≦ 9.8≦
Content of Al2O3 (%) 99.0≦ 99.0≦ 99.0≦

Note: Above standard is subject to change without notice.

Test Results of Samples

Reheat Shrinkage (%) at 1700X8hrs 0.27 0.18 0.03
Bulk Density 1.58 1.59 1.59
Thermal Conductivity at 350±10℃ 1.22 1.45 1.45
Cold Crushing Strength (MPa) 12.0 27.0 12.0
Modulus of Rupture (MPa) 5.5 9.6 4.4

Chemical Composition

Al2O3 99.2 99.3 99.3
SiO2 0.4 0.4 0.4
Fe2O3 0.1 0.1 0.1

 

Note: Above test results are average results of tests conducted under standard procedures and

subject to variation. Results should not be used for specification purposes.

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ISOLITE LHB Insulating Firebricks

 

 

 

Features By Isolite’s technology, increased strength, high wear-resistance
Applications 1. Coking Ovens
2. Zinc Distillation Furnaces
3. Tunnel Kiln for Firing Ceramics etc.

Standard:

Item LHB
Max. Temperature (℃) 1450
Bulk Density 1.45≧
Thermal Conductivity at 350±10℃ 0.58≧
Cold Crushing Strength (MPa) 9.8≦

Note: Above standard is subject to change without notice

Test Results of Samples:

Reheat Shrinkage (%) at 1700X8hrs 0.34
Bulk Density 1.20
Thermal Conductivity at 350±10℃ 0.55
Cold Crushing Strength (MPa) 11.0

Chemical Composition

Al2O3 67
SiO2 31
Fe2O3 0.6

 

Note: Above test results are average results of tests conducted under standard procedures and

subject to variation. Results should not be used for specification purposes.

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ISOLITE LAP-165 Insulating Firebricks

 

 

 

 

Features

High alumina content but low bulk density, very stable at high temperatures

Applications 1. Hot-air Ovens
2. Ceramics Firing Ovens
3. Naphtha Cracking Furnaces

Standard:

Item LAP-165
Max. Temperature (℃) 1650
Bulk Density 0.90≧
Thermal Conductivity at 350±10℃ 0.55
Cold Crushing Strength (MPa) 2.9≦
Content of Fe2O3 (%) 1.0≧

Note: Above standard is subject to change without notice.

Test Results of Samples:

Reheat Shrinkage (%) at 1700X8hrs 0.18
Bulk Density 0.80
Thermal Conductivity at 350±10℃ 0.35
Cold Crushing Strength (MPa) 4.0
Modulus of Rupture (MPa) 2.0

Chemical Composition

Al2O3 73
SiO2 25
Fe2O3 0.5

 

Note: Above test results are average results of tests conducted under standard procedures and

subject to variation. Results should not be used for specification purposes

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