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Refractory brick High alumina bricks for blast furnace
Refractory brick High alumina bricks for blast furnace
Supplier Info
[China Supplier]
Contact Person : Ms. He Emily
Tel : 86-379-63591188
Fax : 86-379-64201188
Product Detail
1) high tempreture endurable 2) good thermal shock resistance 3) good thermal insulation performance

Refractory brick/Fire proof brick

High alumina bricks for blast furnace

LZ-75,LZ-65,LZ-55 High Alumina Brick

Features:

1) high tempreture endurable 2) good thermal shock resistance 3) good thermal insulation performance

It is one of our main products whose main mineral is mullite and corundum phases, with excellent high-temperature physical properties and chemical corrosion resistance, 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

LZ-75

LZ-65

LZ-55

Al2O3, % ≥

75

65

55

Fe2O3,% ≤

2.0

2.0

2.0

Refractoriness,°C≥

1790

1790

1770

Liner change on reheating(1500°C*2h)

0~-0.2

0~-0.2

0~-0.2

0.2Mpa Refractoriness under load, °C≥

1520

1500

1480

Apparent porosity, % ≤

19

19

19

Cold crushing strength, ≥

70.0

58.8

49.0

Refractory brick High alumina bricks for blast furnace

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