Parameter Clopidogrel bisulphate Aspirin
Bulk density (g/ml) 0.375 0.658
Tap density (g/ml) 0.450 0.781
Compressibility Index (%) 16.667 15.789
Hausner’s ratio 1.20 1.188
Angle of repose 27.847° 23.07°
Loss on drying (%) 0.3 0.4
Table 15: Pre-compression parameters of all the formulations.