Specification :

Refractory silica bricks is made of silicon raw material, the content of SiO2 is above 95% .

Good resistance to acid slag;

High softening point with high temperature and load of the brick;

Good volume stability at high temperature.

It' s widely used for cove oven, hot blast stove and glass furnace, etc.

Brand Item
GZ-95
RG-95
JG-94

Dome & Wall brick
Checker
Sole & wall brick
Others

Refractoriness º C e
1710

Permanent liner change 1450 º C × 2h %

+ 0.2 0

Apparent Porosity ( % ) d
22
22
23
22
24

True Density ( g/ cm3) d
2.37
2.35
2.35
2.34
2.35

Cold Crush Strength ( MPa) e
29.4
35
30
30
25

Thermal Expansion( 1000 º C ) %

1.26
1.26
1.28
1.30

Refractoriness under Load 0.2MPa Ta( º C ) e
1650

1650
1650

Chemical analysis SiO 2 % e
95
95
95
94
94