Comparison samples / Name of sample: B-8-6
 Fig. SEM photograph. |  Fig. Particle size distribution. |
Colors and whiteness.
| L | a | b | Whiteness (Lab) | Whiteness (Hunter) |
|---|---|---|---|---|
| 96.64 | 0.77 | 0.13 | 96.55 | 93.21 |
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) |
|---|---|---|---|---|---|
| 36.2 | 83.1 | 79.6 | 0.36 | 0.16 | 0.20 |
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%) |
|---|---|---|---|---|
| 0.36 | 0.79 | 35.7 | 0.39 | 91.5 |
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