Mn 30.00/35.00 pct (pct) Fe 20.00/25.00 pct (pct) Sio2 8.00 pct (pct) max Al2o3 5.00 pct (pct) max K2o 0.30 pct (pct) max Na2o 0.20 pct (pct) max Cao 3.00 pct (pct) max Mgo 1.00 pct (pct) max Size : from 0 to 15 cm 90 pct min The praice per ton of this specification FOB Arish port bullk is 146 Dollar Bullk