Comparison table of the differences between white corundum micro powder and available micro powder

Comparison table of the differences between white corundum micro powder and available micro powder

White Corundum Micro Powder Comparison Table

Physical Properties White Corundum Micropowder

Crystal form trigonal crystal system

Density 3.90 g/cm3

Pore ​​Nupp porosity 2000-2200Kg/mm2, Mohs porosity 9.0

Melting point 2250℃

High operating temperature 1900℃

Specific heat (Cal/g.C)0.26 (20-90C)

Thermal pressure 900C (Cal/cm3.sec.C)

Refractive index e=1.760 w=1.768 (Na line)

Linear expansion coefficient (7-9)*10^-6/K (0-1600C)

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Micropowder physical properties structure

Appearance white powder, crystal phase γ phase

Average particle size (nm)20±5

Content% is greater than 99.9%

Boiling point 2980℃

Relative density (water=1)3.97-4.0

Color white, dark blue after baking

Melting point 2010℃-2050℃