Brand 

Properties

Mullite Brick

M75

M70

Al2O3 %

≥75

≥70

SiO2%

≤23

≤25

Fe2O3 %

≤0.4

≤0.4

Bulk Density (g/cm³)

2.7

2.6

Cold Crushing Strength(MPa)

100

100

     Apparent Porosity (%)

18

18

Refractoriness under Load ℃(0.2MPa 0.6%)

1680

1680

 Main Applications

Used for the key parts of glass furnace,alkali-free glass fiber furnace, blast furnace hot blast stove, tunnel kiln...