. 2019 Jun 17;9:8675. doi: 10.1038/s41598-019-45132-z

Table 2.

Calculation of solid area fraction (f) and respective theoretical (θ_CB) and experimental (θ_M) contact angle values for ion beam irradiated PTFE surface at different angle of incidence (θ_i).

Beam Energy: 800 eV, Treatment time: 60 s
θ _i	f	θ _CB	θ _M	%error
0	0.19	150.5	151.2	0.46
40	0.42	136.3	148.8	8.40
70	0.37	138.9	140.5	1.13