Table 1.

Physical properties determined from hydrated aluminium silicate synthesized.

Properties	Value
Real density ($d_r$) (g/cm3)	$1.501\pm 0.023$
Porosity (P) (%)	$86.7\pm 0.5$
Apparent density ($d_a$) (g/cm3)	$0.203\pm 0.029$
App. Dens by Entrapment ($d_{\mathit{apa}}$) (g/cm3)	$0.396\pm 0.024$
Compresibility (c) (%)	$48.7\pm 0.3$
Turtuosity ($d_t$) (g/cm3)	1.13
Flow rate ($V_f$) (m/s)	0