SiO2 group(silica)

Al2O3-SiO2 group(alumina-silica)

Al2O3 group(alumina)

  • Aluminum hydroxide

CaO group(calcia)

MgO group(magnesia)

B group(boron)

ZrO2 group(zirconia)

  • Zircon sand
  • Rutile sand
  • Various types of materials

Lightweight aggregate

Ferroalloys

  • Fe-Si(#2,#3)
  • Si-Mn
  • Me-Cr
  • Me-Ni
  • Me-Si
  • Various types of Fe-Mn
  • Aluminum powder
  • Si-Mg