Particle size (µm)

Bulk density (g/ml)

Repose angle (˚)

Slide angle (˚)

156.74 ± 12.43

0.624 ± 0.021a

74.67 ± 1.92a

38.99 ± 1.86a

69.53 ± 5.78

0.677 ± 0.025b

70.84 ± 1.49b

35.50 ± 1.79b

26.35 ± 1.40

0.716 ± 0.014c

65.80 ± 1.35c

30.31 ± 1.33c

10.68 ± 0.89

0.745 ± 0.009d

61.41 ± 1.11d

26.42 ± 1.08d