Chemical Degradation of Epoxy-Polyamide Primer by Electrochemical Impedance Spectroscopy

Table 1

Composition of zinc phosphate containing epoxy-polyamide hybrid primer.

Composition	Amount (% wt)
PACK A (for 100 gm)
Epoxy resin	34.60
Red oxide of iron	5.70
Zinc phosphate	17.15
Silica/asbestine	10.75
Toluene, MIBK, and butanol (in ratio  of (1: 1: 1))	20.25
PACK B
Polyamide	11.55