Copper

Chrome Ore Concentrate
CR2O3: 42% Basis 40% Min
CR/FE Ratio: 1.35:1
MGO: 14% Max
AL2O3: 16% Max
SIO2: 10% Max
P: 0.01% Max
S: 0.01% Max

Size: 0-2 MM (95% Min)
Moisture at 105C or 110C: 8% Max

Manganese Ore Low Grade
MN: 32% Basis 30% Min
FE: 20% Max
SIO2: 27% Max
MGO: 2% Max
AL2O3: 5% Max
P: 0.1% Max
CAO: 1.5% Max

Size: 5-100 MM (80% Min)
Moisture at 105C +/- 5C: 3% Max

Manganese Ore Mid Grade
MN: 37% Basis 37% Min
FE: 12% Max
SIO2: 20% Max
AL2O3: 12% Max
P: 0.1% Max
CAO: 1.5% Max

Size: 5-80 MM (90% Min)
Moisture: 9% Max