Refractory Silica Brick Used For Hot Blast Stove

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Product Description:

Specifications

Characteristic:
1.High refractoriness under load
2.High temperature resistance
3.Corrosion resistance

Product Description

Technical index:

                 
  Item
Coke Oven Silica BrickGlass Furnace Silica BrickHot Blast Stove Silica Brick
JJG-94JBG-95JBG-96JRG-95
SiO2 %94.5959695
Fe2O3 %1.51.01.01.3
CaO %2.52.22.2
Al2O3+Na2O+K2O % 0.50.51
Refractoriness °C1710171017101710
Refractoriness under load T1,°C1650165016601650
Apparent porosity %22(24)22(24)22(24)22(24)
Cold crushing strength Mpa40(35)35(30)35(30)35(30)
True Density g/cm32.332.322.332.34
Thermal Expansion %

1000°C    

1.28(1.30)

   1000°C

1.25

  1000°C

1.25

    1000°C    

1.26

Residual Quartz   %1.01.01.01.0
Creep rate % 1550°C×50h(0.8)



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