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Technical Data of 60% Alumina

JAY AL-60% is High Alumina Bricks having 60% Alumina Brick based on Refractory grade Bauxite calcined in Rotary Kiln, high density and excellent strength, featuring low alkali contents, application includes Cement and Lime Rottery, Saft Kilnss, Linings, Ladle, Reheat Furnaces, Incinerators, Ceramics Kilns, Boiler Furnaces, Reverberatory air or Holding Furnaces.

Chemical Analysis
Alumina Al₂O₃	58.0 - 62.0 %
Silica SiO₂	31.0 - 35.0 %
Ferric - Oxide Fe₂O₃	2.50 - 3.10 %
Titania TiO₂	2.75 - 3.00 %
Calcia CaO	0.50 - 1.70 %

Physical Properties
Pyrometric Cone Equivalent, Ortron	Min. 35(1785°C)
Reheat change - at 1400°C - 2Hrs,	Max. (+/-)0.5%
Refractories under Load - ta Value	1420°C - 1450°C
Apparent Porosity,	19.0 - 22.0%
Bulk Density, gm/cm3	2.45 - 2.60
Cold Crushing, Strength, kg/cm²	400 - 600
Thermal Conuctivity, W/Mok at 700°C	1.40
Thermal Conuctivity, W/Mok at 900°C	1.20

IMPORTANT NOTE :-

THE ABOVE TEST DATA are based on average results of Control tests on dry pressed standard size bricks and are subject to normal variation on individual tests, hence these results should not be regarded as absolute limits.