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High-Alumina Brick for Blast Furnace Fireproof Brick
High-Alumina Brick for Blast Furnace Fireproof Brick

high -temperature endurable good friction and wear properties good thermal insulation performance

High-Alumina Brick for Blast Furnace

Fireproof Brick

Features:

high -temperature endurable good friction and wear properties good thermal insulation performance

 

It is one of our main products whose main mineral component is mullite and corundum phases, with excellent high-temperature physical properties, widely used in any parts of blast furnace with good work-ability. It has been used in large volume blast furnace with a good result.

Specifications:

Index

High-alumina brick for blast furnace

GL-55

GL-65

GL-75

Al2O3, % ≥

55

65

76

Fe2O3, % ≤

2.0

2.0

2.0

C, % ≥

 

 

 

Long-term service temperature,°C ≥

1770

1790

1790

Refractoriness under load(0.2Mpa 0.6%), °C ≥

1480

1500

1520

Linear change after heating (1500°C*2h)

0~-0.2

0~-0.2

0~-0.2

Apparent porosity, % ≤

19

19

19

Cold crushing strength, Mpa ≥

49.0

58.8

70

Typically Application:

Fire Resistant Brick is widely used in hot blast stove, blast furnace, metallurgy, construction, chemical industry, electric power and machine building.

High-Alumina Brick for Blast Furnace Fireproof Brick

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