Silica Refratory Brick

SiO2% (≥) 94-96
Bulk Density (g/cm³) 2.34-2.35
Refractoriness Under Load (℃) 1650-1670
Cold Crushing Strength (MPa) 30-40

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Silica Refractory Brick

Silica refractory brick is a crucial component of high temperature kilns. It uses SiO2 as primary material and the extent is typically over 94%. silica brick has been a crucial component in high-temperature kilns.

Item		GZ-94	GZ-96
SiO2, %	≥	94	96
Fe2O3, %	≤	1.4	1.0
Apparent Porosity, %	≤	22	22
Bulk Density, g/cm³	≤	2.35	2.34
Cold Crushing Strength, MPa	≥	30	40
0.2MPa Refractoriness Under Load, ℃	≥	1650	1670

Advantages

Silicon oxide is above 95%

Good acid erosion resistance

High softening point with temperature

No shrink in burn repeatedly

Temperature of refractoriness under load is above 1650º C

Great high temperature mechanical strength

High temperature stable volume change

Good thermal shock resistance property

Application

Mainly used for coke oven of coking chamber and combustion chamber partition, steel open hearth of regenerative chamber and sediment chamber, soaking furnace, glass furnace, refractory silica brick materials and ceramic firing kiln and kiln of vault and other supporting parts. Also used in hot blast stove of high temperature bearing parts and acid open hearth furnace roof.

Mainly used in the construction of regenerative chamber, chute, combustion chamber, coking chamber, furnace roof etc.

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