Soft ferrite core
Minerals
Unexpanded perlite ore
Lead ore
Met coke, foundry coke ferro alloy
Special solvents & resins
Manganese ore
Manganese ore of 40% mn content 7
Chrome ore, manganese ore, ferrous alloy, elemental sulfur
Perlite ore - foundry grade (unexpanded)
Bentonite
Zircon sand
Selenium
Mineral
Mineral ores
Pratliperl
Solar grade polysilicon
Cobalt residue, ash, metal
Minerals
Feldspar