Total Fe ------ 91.5 % Min. 
Metallic Fe --- 85 % Min. 
Carbon --------  0.6 % Min. 
Sulphur -------  0.02 % Max.
Phosphorus ----  0.01 % Max.
Gangue --------  6.3 % Max.

Bulk Density --------- 2.4 to 2.8 t/m3
Apparent Density ----- 5.0 to 5.5 t/m3
Normal Size ---------- 110 x 50 x 30 mm

Fe ---------- 64.5 %  
Si02 --------  3.5 % Max. 
AL203 -------  3.5 % Max. 
Phosphore ---  0.7 % Max.
Sulphur -----  0.7 % Max.
Moisture ---- 10 % Max.