Physical properties and flow-ability parameters of PSH powder.

Flow-ability parameters	PSH
Moisture content (%)	7.4 ± 0.4
Particle size (μm)	≈250
Angle of repose (θ)	45.74 ± 0.25
Bulk density (g mL−1)	0.495 ± 0.03
Tapped density (g mL−1)	0.707 ± 0.02
Carr's index (%)	29.98 ± 1.76
Hausner ratio	1.428 ± 0.075
Swelling capacity on 24 h (g g−1)	48.77 ± 1.2