Product of origin :- turkey Mn minimum :- 25% Mn maximum:- 53% Al2o3 minimum:- 2% Al2o3 maximum:- 3.5% Sio2 minimum :- 6% Sio2 maximum :- 16% Fe2o3 minimum:- 0.7% Fe2o3 maximum:- 3% K2o minimum:- 1.4% K2o maximum :- 2% Cao minimum:-1.2% Cao maximum:-8% S minimum:- 0.02% S maximum :- 0.08% P minimum:- 0.02% P maximum:-0.08%