Physical parameters from sorptivity test recorded on consolidated geopolymers.

Geopolymer samples (mass ratio)	0.45	0.5	0.55	0.60	0.65
Capillary water absorption coefficient, K (mg cm−2 S0.5)	9.50 ± 0.08	9.55 ± 0.94	9.76 ± 0.35	10.86 ± 0.01	10.64 ± 0.01
Coefficient correlation, r	0.93 ± 0.06	0.92 ± 0.03	0.98 ± 0.03	0.92 ± 0.06	0.93 ± 0.01
Total water absorption (%)	19.80 ± 0.05	20.56 ± 0.01	21.59 ± 0.65	23.92 ± 0.09	24.21 ± 0.05
Bulk density (g cm−3)	2.21 ± 0.07	2.22 ± 0.073	2.22 ± 0.07	2.23 ± 0.07	2.14 ± 0.06