Table 4. Compressional parameters obtained from heckel and kawakita equations of formulation blends.

Formulation Codes	Heckel Parameters				Kawakita Parameters
	Do	DA	DB	PY (MN/m2)	DI = 1-a	Pk = 1/b (MN/m2)
FA	0.313	0.892	0.579	86.950	0.325	1.712
FB	0.314	0.922	0.608	59.520	0.319	1.040
FC	0.343	0.870	0.527	75.750	0.357	4.180
FD	0.340	0.883	0.543	64.930	0.349	4.350
FE	0.355	0.869	0.514	66.660	0.367	6.560
FF	0.339	0.863	0.524	67.560	0.350	7.690