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.