Sand Powder (White Fused Alumina)

White fused alumina is suitable as iron-free medium and used for applications in the abrasive and refractory industry and as a jet-material in the aluminium-, optical and dental industry. Because of its transparency and its scratch resistance, white fused aluminium is also used in resins and coatings in the laquer and laminate industry.

chemical analysis

Al2O3:  99.5%min
SiO2:  0.02%max
Na2O:  0.25%max
Fe2O3:  0.04%max

Technical data

Colour:   white
Specific garvity:   3.95g/cm3
Hardness:  Mohs 9
Melting point: 2250 °C