Moisture (As received basis)              :  30 % max,

Calcium Oxide (Air dried basis)         :  0.8 %max,

Calcium Dioxide (Air dried basis)      :  0.07 % max,

Sulfur Trioxide (Air dried basis)         :  0.05 % max

Silica (Air dried basis)                       :  45 % max

Aluminium                                         :  3.5 %max

Nickel                                                 :  1.7 up to 1.8%

Fe                                                       :         15%-25% max