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Silica Refractory Brick for hot blast Stove RG-95

Silica refractorychecker brick for hot blast stove
  • RG-95
  • 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:

itemSilica brick for hot blast stove
floor & wall brickother brick
SiO2 ≥95%
Fe2O3 ≤1.5%
Al2O3 ≤1.5%
CaO ≤2.5%
cold crushing strength  ≥40Mpa35Mpa
apparent porosity ≤22%24%
true density ≤2.33g/cm32.34g/cm3
thermal expansion 1000ºC≤1.28%1.30%
residual quartz ≤1.0%
refractoriness under load Ta ≥1650ºC

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