Gypsum Ore:


The Gypsum ore is exploited from Ras Malaab south Sinai (400,000 MTPA). SMC owns a plant at the same area to produce Calcined Gypsum. That plant consumes about 300,000 MTPA. The remaining ore are exported to Japan, and some African countries.   
 

Constituents

High Grade

Low Grade

Combined water

19.50 min.

18.90 min.

CaSO4  2H2O

93.00 min.

90.40 min.

CaO

30.5  :   33

30.5  :  33

SO3

43.5  :  46

43.5  :  46

MgO

0.10 max.

0.10  max.

SiO2 + IR

1.00 max.

1.50 max.

Al2O3 + Fe2O3

0.25 max.

0.25 max.

Cl

0.008 max.

0.01 max.

Whiteness

95% min.

95% min.

Size: Run of mine or crushed 0 to 40 cm max.
or crushed according to customer requirements