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Surface properties of the epoxy, epoxy/TiO2/epoxy and epoxy/FAS-TiO2/epoxy coatings on AISI 316L stainless steel: Static water contact angles (θW), surface energy (γ) and the average surface roughness (Sa).
| Coating | θW (o) | γ (mN/m) | Sa (nm) |
|---|---|---|---|
| epoxy | 75 ± 1 | 38.6 ± 0.1 | 50 ± 5 |
| epoxy/TiO2/epoxy | 83 ± 1 | 33.7 ± 0.1 | 320 ± 20 |
| epoxy/FAS-TiO2/epoxy | 120 ± 3 | 11.6 ± 0.1 | 600 ± 30 |
