International Journal of Corrosion / 2015 / Article / Fig 9

Research Article

Effect of High Temperature Sodium Hydroxide Immersion on Fusion Bond Epoxy Coating

Figure 9

DSC scans of FBE coating system: (a) before exposure and after exposure to 5% NaOH solution for 30 days at 93°C/200°F (b) discolored zone, and (c) unaffected underlying zone.
(a) Before exposure
(b) Discolored zone
(c) Unaffected underlying zone