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  • Refractory Silica Brick
  • Refractory Silica Brick
  • Refractory Silica Brick
  • Refractory Silica Brick

Refractory Silica Brick

Catalog: Refractory Fire Bricks | 2021-02-25

1. SiO2: 93-95%
2. Bulk Density: 1.8g/cm3
3. Refractoriness: 1710℃

√ Good thermal conductivity.
√ High refractoriness under load.
√ Good creep resistance.

Product Details

Silica brick is made of quartz stone material, the content of SiO2 is above 93%. It is of good resistance to acid slag and good heat conductivity. And the refractoriness is 1690~1710°C, RUL is beyond 1620°C.

Advantage:

  • Good thermal conductivity.
  • High refractoriness under load.
  • Good creep resistance.
  • High refractoriness.

Application:

Silica brick can be widely used in coke oven, hot blast furnace, glass furnace and carbon furnace.

Silica BrickGZ-95GZ-94GZ-93
SiO2≥95≥94≥93
Refractoriness, ℃171017101690
Apparent Porosity, %≤22≤23≤25
Bulk Density, g/cm3≥1.8≥1.8≥1.8
True Density, g/cm3≤2.34≤2.34≤2.34
Cold Crushing Strength, Mpa≥35≥35≥35
0.2Mpa Refractoriness Under Load T0.6, ℃≥1650≥1640≥1620
20-1000 ℃ Thermal Expansion, %1.251.251.25
Thermal Conductivity at 1000 ℃ , W/m.K1.441.441.44