Hollow zirconium oxide microspheres (HZM)

Properties of HZM

Microstructure of the cross-section of a zirconium dioxide coating formed from a powder mixture (ZrO2 + 8% Y2O3) of hollow microspheres
Columnar structure of a zirconium dioxide coating formed from a powder mixture (ZrO2 + 8% Y2O3) of hollow microspheres (X20,000)

Types of hollow zirconium oxide microspheres stabilized with 8% yttrium oxide (HZM-8Y)

HZM-8Y
HZM-8Y-40
HZM-8Y-70
Size 5-100 5-40 5-70
Appearance loose powder
Color white
Bulk density, g/cm3 2,5-2,7
Specific weight, g/cm3t 6,0
Hardness, Mohs scale Over 8,5
LOI*, no more than % LOI*, no more than %
Chemical composition, % ZrO2 Over 90,0
Y2O3 8,0-8,6
Al2O3 Less than 1,5
Fe2O3 Less than 0,07
SiO2 Less than 0,5
LOI*, % - is relative mass change when baking.