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High Alumina Andalusite Refractory Brick for Hot Blast Furnace

The bricks to be packed by fumigation wooden pallets.
Quantity:
  • SILLMAX KAB
  • 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 the steel industry.

ItemUnitSILLMAX KAB
Al2O3 ≥%58
SiO2 %39
Fe2O3 %1.7
TiO2  %1.0
MgO+CaO ≤%0.6
Na2O+K2O ≤%0.6
Bulk density ≥g/cm32.42
Apparent porosity ≤%20.5
Cold crushing strength  ≥Mpa50
Permanent linear change 1600ºC 5hrs%-0.3 to +0.3



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