PRODUCT
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SILICA BRICKS

SILICA BRICKS

1. SPECIFICATION

Type

Item

For coke oven

For hot

blast stove

For glass 

kiln

Ordinary Silica 

Bricks

ST-GZ-95

ST-GZ-94

ST-GZ-93

Chemical composition

SiO2 % min

94

95

95.5

95

94

93

Al2O3 % max

1.0

1.0

1.0

1.0

1.0

1.0

Fe2O3 % max

1.0

1.0

1.0

1.0

1.0

1.0

CaO % max

2.5

2.5

2.5

2.5

2.5

2.5

R2O % max

0.3

0.3

0.3

0.3

0.3

0.3

Physical properties

Bulk Density

g/cm3 min

2.36

2.35

2.34

2.35

2.34

2.33

Apparent Porosity

% max

22

23

23

22

23

25

Cold Crushing Strength Mpa min

45

45

40

30

25

20

Refractoriness Under Load ℃ min

1650

1600

1650

1650

1640

1630

Refractoriness

℃ min

1710

1710

1710

1710

1710

1710

    OTHER SPECIFICATIONS CAN BE DISCUSSED AS PER BUYER’S OPTION

2. PACKING

     WOODEN PALLETS ENFORCED BY STEEL STRIP

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