Name

Parameters

Dry Bauxite Beneficiated

Chemical

% Al₂O₃

Min 48

% SiO₃

Max 3

% Fe₂O₃

20 - 23

% TiO₂

1.5 - 2.1

% LOI (105˚C - 1000˚C)

25 - 28

Mineralogical

Alumina Minerals

Gibbsite with <0.5% boehmite

Silica

Kaolinite, then Quartz

Metallurgy

% Available Alumina (LT)

44 - 46

% Reactive Silica

1.2 - 1.5

Particle Size Distribution

Lumps (10 - 100 mm)