500um
Physical Form: Free-Flowing Powder
Appearance: Gray
Particle Size Range: 10-500 microns
Mean Particle Size: 130 microns
Bulk Density: 0.5 g/cc
Deformaton Temperature: 1700° C
Compressive Strength: 5000 psi
Al2O3：25-35
SiO₂：55-65
