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