Alumina

 

●   Sandy calcined metallurgical grade alumina is the major raw material for electrolytic aluminiumproduction with Hall-Heroult process. SNTO owns one plant with ingot output of 330K metro tons and the consumption of alumina reaches 600K metric tons per year.


●  Except to purchase alumina from Chinese mainland refinery, SNTO also import the cargos from global suppliers and the source refinery located in Australia, Brazil, India.


●The major specifications requested as below:

  

Alumina major specfications

Class

  AL2O3    

(% Min.)

Chemical specifications(%,Max.)

Loss on ignition(L.O.I.)

Physical specifications

SiO2

Fe2O3

Na2O

Grain size(% Max)

AO-1

98.6

0.02

0.02

0.5

1.0

< 45 micron

20

AO-2

98.5

0.04

0.02

0.5

1.0

AO-3

98.4

0.06

0.03

0.7

1.0