Fig. 7: Environmental conditions of prepared different epoxy coatings and bare steels were immersed in SRB medium.

lanktonic cells (A), sessile cells (B) and pH values of the solution (C) with the number of incubation days; Biofilm distribution and major element composition of different epoxy coatings surface incubated in SRB solution for 14 days (D–F) and 56 days (G–I).