Refractory clay fire bricks firebricks for insulation of furnaces
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Refractory clay fire bricks firebricks for insulation of furnaces

1. High refractoriness, high-temperature endurable.
2. Good thermal shock resistance.
3.Good volume stability at high temperature.
4. Good corrosion resistance.
5. Good spalling resistance and wear resistance.
6. High mechanical strength.

Quantity:
  • GM-BR002
  • Goodmax

Fire clay brick is a kind of weak acid refractory product. It can resist the corrosion of acid slag and acid gas, but of low resistance to alkaline matters. It is of good thermal performance and good thermal shock resistance.


Item

Fireclay Insulating Brick

0. 6

0.8

1.0

1.3

Al2O3 (%)

40

40

40

40

Fe2O3 (%)

1.5

1.5

1.2

2

SiO2

55

55

55

55

Bulk Density (g/cm3)

0.6

0.8

1.0

1.3

Apparent Porosity %

70

60

55

50

Cold Crushing Strength(Mpa) ≥

2.0

2.5

3.0

4.0

Reheating Linear Change (%)°C X 12H ≤

1300℃

-0.5

1350℃

-0.5

1350℃

-0.9

1350℃

-0.9

Thermal Conductivity(W/m.k)(1000°C)

0.33

0.60

0.45

0.8

 


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