Table 3.

Diffusion, sorption, and permeability study of graphite-loaded composites.

Samples	% of Water-Uptake at Infinite-Time (W∞)	Diffusion Coefficient (D) (mm2/s)	Sorption Coefficient (S)	Permeability Coefficient (P) (mm2/s)
CD-4	0.43	6.44064 × 10−8	26.875	3.71538 × 10−5
CD-5	7.04	4.34 × 10−8	32.74419	1.42 × 10−6
CD-6	10.2	3.1 × 10−7	12.24049	3.8 × 10−6
CD-7	8.17	6.09 × 10−7	8.742643	5.32 × 10−6