High Alumina Brick 90% alumina

Technical Data of High Alumina Brick 90%

Physical Properties:

Refractoriness

℃

1790

Permanent Linear Change(1500℃×3h)%

%

±0.1

Apparent Porosity, %

%

≤19

Cold Crushing Strength

Mpa

≥70

Refractoriness Under Load (T0.6)

℃

≥1700

Thermal Expansion, %

%

≤0.8

Density

g/cm³

≥2.90

Chemical Analysis:

   Al₂O₃  

%

≥90

Fe₂O₃

%

≤0.8

Note:
 Technical Data are typical average results from test pieces. The technical  data is offered solely for your consideration. And we reserve the right to  modify the technical data without any prior notice. Users of our products  should make their own tests to determine the suitability of each product for  their particular purposes.