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Silica Fireproof Material Refractory Material Brick

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The product 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:

itemSpecification
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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