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Silica Brick Fire Brick KS for coke oven

Silica refractory brick for coke oven
Quantity:
  • Dezhen
  • 690220

Silica brick features:

The brick is shaped by high pressure and sintered at high temperature. with excellent high-temperature physical performance and chemical erosion resistance.
The technical specification:


SILICA BRICK KS

Property

Unit

Limit



Weight ≤25kg

Weight 25kg

For each brick tested

Bulk density

Kg/m3

≥1780

≥1760


Apparent porosity

%

≤22.5

≤22.5


Cold crushing strength

Mpa

≥45

≥45

≥30

RUL T0.5

≥1630

≥1630


Abrasion, Bohme

Mm

≤4.5

≤4.5


Residual quartz

%

≤4.0

≤4.0


SiO2

%

≥95

≥95


Al2O3

%

≤1.5

≤1.5


Fe2O3

%

≤1.0

≤1.0


CaO

%

≤3.0

≤3.0


Na2O+K2O

%

≤0.35

≤0.35


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