Corrosion kinetic parameters of insulator pins with various concentration of cerium salts in industrial corrosive media (Sol-I1).

Quantity (ppm)	E corr (V)	I corr (A cm−2)	Corrosion rate (mm per year)	P (%)
0	−0.573	4.61 × 10−6	5.41 × 10−2
10 000	−0.598	3.34 × 10−6	3.92 × 10−2	28.3
30 000	−0.51	1.32 × 10−6	1.55 × 10−2	71.37
60 000	−0.56	2.34 × 10−7	2.80 × 10−3	95
100 000	−0.612	1.10 × 10−6	1.29 × 10−2	76.08