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Silica bricks for hot blast stove
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Silica bricks for hot blast stove

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Project Prescribed value

When retesting, the single value allows for deviation.

RG-95
Chemical composition/% SiO2 ≥95 -1
Al2O3 ≤1.0 +0.1
Fe2O3 ≤1.3 +0.1
Apparent stomatal rate ≤22(24) +0.5
True density ≤2.32 +0.01
Pressure strength at normal temperature ≥45(35) -10(-7)
Residual quartz/% ≤1.0
Load softening temperature(T0.6 ≥1650 20
  ≤0.8
Creep rate(1000℃) ≤1.25

The values specified in the brackets in the column of the specified value and the allowable deviation of re-inspection are indicators of hand-formed bricks. If necessary, a thermal expansion curve from room temperature to 1200 °C can be provided.

 

Corresponding parameter set not found, please add it in property template of background
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