Comparison samples / Name of sample: B-8-5
 Fig. SEM photograph. |  Fig. Particle size distribution. |
Colors and whiteness.
| L | a | b | Whiteness (Lab) | Whiteness (Hunter) |
|---|---|---|---|---|
| 96.93 | 0.70 | -0.06 | 96.85 | 94.04 |
Mean diameter, Amount of particles floating after dispersed in water and Density.
| Mean diameter (µm) | Particles floating (wt%) | Particles floating after dispersed with ultra-sonic (wt%) | Particle density (g/cm3) | Bulk density (g/cm3) | Tapped bulk density (g/cm3) |
|---|---|---|---|---|---|
| 28.2 | 84.1 | 81.2 | 0.34 | 0.16 | 0.19 |
Strength (amount of nonfractured particles after compressing).
| Particle density before testing (g/cm3) | Particle density after uniaxial compressing at 5MPa (g/cm3) | Nonfractured particles after uniaxial compressing at 5MPa (wt%) | Particle density after hydrostatics compressing at 8MPa (g/cm3) | Nonfractured particles after hydrostatics compressing at 8MPa (wt%) |
|---|---|---|---|---|
| 0.34 | 0.90 | 27.2 | 0.35 | 97.3 |
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