Refractory Bricks
Silica brick for coke oven

Silica brick for coke oven


Project

Index

Hearth furnace wall

Other

SiO 2% is not less than

94

Not less than 0.20MPa load soften temperature

1650

Reheating linear change% 1450 × 2h

0 ~ +0.2

Apparent porosity% not more than

22

24

Cold crushing strength MPa is not less than

30

25

True density g / cm 3 is not greater than

2.34

2.35

Thermal expansion% 1000 not more than

1.28

1.30


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