Table 1: Limit values accepted for the SeDeM Diagram parameters and factor applied to transform each parameter into radius values (r).
aCalculate r for the “Loss on drying” parameter in accordance with Table 2.
Incidence Parameter Limit values Factor applied to v
Dimension Bulk density 0-1 g/ml 10v
Tapped density 0-1 g/ml 10v
Compressibility Inter-particle porosity 0-1,2 10v/1,2
Carr index 0-50 (%) v/5
Cohesion index 0-200 v/20
Flowability/ powder flow Hausner ratio 3-1 (30-10v)/2
Rest angle 50-0 (°) 10-(v/5)
Powder flow 20-0 (s) 10-(v/2)
Lubricity/ stability Losson dryinga 0-10 (%) 10-va
Higroscopicity 20-0 (%) 10-(v/2)
Lubricity/ dosage Particles < 45 μm 50-0 (%) 10-(v/5)
Homogeneity index 0-0,02 500v