$Silica Refractory Bricks$

Silica Refractory Bricks

MARSREF is a supplier of silica refractory bricks. this brick is made of quartz raw materials with a SiO₂content of more than 94%. They are resistant to acid slag erosion and have under load temperature of 1620-1670℃. They are not easily deformed when used for a long time in a high temperature environment.

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Silica refractory bricks are widely used in the steel industry like coke ovens and hot blast furnaces, and glass kilns in the glass industry, as well as carbon furnaces in the aluminum industry, etc.

玻璃窑硅砖

Welcome to inquiry us about the price, size, technical data and any information you want to know about Silica refractory bricks.

Performance Characters:

High thermal conductivity
High refractoriness under load
Good volume stability under high temperature
Good resistance to acidic slag corrosion
Good creep performance

Item/Grade	GZ-94	BG-96	JG-94	RG-95
SiO₂ %	≥94	≥96	≥94	≥95
Fe₂O₃ %	≤1.4	≤0.8	≤1.5	≤1.0
Apparent porosity； %	≤24	≤21	≤22	≤22
True density； g/cm³	≥2.35	≥2.34	≥2.34	≥2.34
cold crushing strength； Mpa	≥30	≥30	≥35	≥35
0.2Mpa Refractor iness Under Load ℃	≥1650	≥1680	≥1650	≥1650
Permanent Linear Change On Reheating %	-	1450℃X2h +0.2	1450℃X2h +0.2	-
Thermal expansion（1000℃）%	-	-	≤1.30	≤1.28
Furnace type used	Ordinary silica brick	Glass kiln silica brick	Coke oven silica brick	Hot blast stove silica brick

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