High Alumina Brick AL50 / Refractory Brick
YufengRec offer High Alumina Brick meeting ASTM regular type classifications
Technical Data Sheet
Classification: ASTM C-27
Method of Manufacture: Dry Press
Chemical Compositions (Approximate)
Alumina (Al2O3) 50.0%
Silica (SiO2) 44.0%
Iron Oxide (Fe2O3) 2.0%
Titania (TiO2) 2.1%
Alkalies (Na2O+K2O) 1.2%
Physical Properties (Typical)
Pyrometric Cone Equivalent Cones 35
BulkDensity 143-147lb/ft3 (2.30 - 2.35g/cm3)
Cold Crushing Strength: 4500lb/ft2 (31Mpa)
Apparent Porosity 22-24%%
Permanent Linear Change
at 2910ºF (1600ºC) +1.0 to +2.5%
NOTE: All data subject to reasonable deviation and should not be used for specifications purposes