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Chamotte fireclay brick refractory brick for coke oven KA40

Fireclay brick for coke oven, with low apparent porosity, high bulk density and compressive strength.
Availability:
Quantity:
  • KA40

  • Dezhen

  • 690220

Characteristics of this series products are as follow:
The brick is made from sintered special grade clay, pressed by high pressure and sintered at high temperature, with excellent spalling resistance, alkali,sodium,sulfur,chlorine and alkalic salt corrosion. Low thermal conductivity, a better and ideal choice for steel industry.

The technical specification :

FIRECLAY BRICK KA 40

Property

Unit

Limit



Weight ≤25kg

Weight 25kg

For each brick tested

Bulk density

Kg/m3

≥2200

≥2100


Apparent porosity

%

≤20

≤20


Cold crushing strength

Mpa

≥35

≥35

≥25

RUL T0.5

≥1350

≥1350


Creep 10500.2Mpa,0-25h

%

≤0.25

≤0.25


Al2O3

%

≥40

≥40


Fe2O3

%

≤2.3

≤2.3


 


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