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Raw Material Specifications

Title Description Annual requirement
Limestone

TC 82% (Min), SiO2 14 % (Max)

Laterite

SiO2 10 % (Max), Al2O3 37 % (Min), Fe2O3 30 % (Min)

Indian Coal

‘C’ Grade Coal

Imported Coal

Ash 15 % (Max), VM 30 % (Max), Sulpher 01% (Max)

Gypsum

Purity as CaSo4.2H2O 82% (Min)

Dry Fly ash

As per IS: 3812