Corrosion Study of Powder-Coated Galvanised Steel

Table 2

Impedance parameters of wash primer and epoxy primer and top coated GI in 3.5% NaCl solution.

Time, h	System-1	System-2
	resistance (Ω/cm^2)	resistance (Ω/cm^2)
Initial	8.835 × 10^6	1.166 × 10^6
24 h	7.203 × 10^4	1.446 × 10^5
96 h	7367	1.185 × 10^5
144 h	7166	1.633 × 10^4
264 h	5504	1.576 × 10^4