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Fire Brick

Fire Brick

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Properties:

•Alumina content in fireclay bricks approximate 30-42%.

•Good thermal shock and spalling resistance.

•Good resistance to abrasion and corrosion.

•Good volume stability at high temperature.

•High machanical strength.


Applications:

•Furnace construction.

•Blast furnace

•Hot blast stove.

•Coke ovens 

•Gas furnace.

•Cement industry

•Glass industry


Item

Index

SK-30

SK-32

SK-34

AL2O3,%,

≥30

≥38

≥42

Fe2O3,%,

≤2.5

≤2.5

≤2.5

Density, g/cm3

≥2.0

≥2.15

≥2.2

Refractoriness,℃,

≥1700

≥1720

≥1740

0.2Mpa Refractoriness under load,℃

≥1300

≥1320

≥1350

Liner change on reheating(1400℃,2h),%

+0.1~-0.4

+0.1~-0.4

+0.1~-0.4

App.Porosity,%

≤24

≤24

≤24

C.C.S.,Mpa

≥25

≥30

≥35

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