Coating

weight before test (g)

weight after test (g)

Rate of corrosion

×10⁵ (g/cm²∙min)

Bare substrate

9.0930

6.9609

12.339

TiO₂

9.0989

7.4859

9.334

WT (0.5)

9.0942

7.5393

8.998

WT (1)

9.0778

7.5759

8.692

WT (2)

9.0733

7.4347

9.483

WT (4)

9.0635

7.4322

9.440

WO₃

9.1027

7.3400

10.201