CORROSION PROTECTION
BASE OF BODY REPAIR
9-37
CATIONIC ELECTRODEPOSITION UNDERCOATING
In the cationic electrodeposition method, the car
body is the negative pole, thus preventing damage to
the zinc plating of the galvanized body panels or to
the chemically formed phosphate crystals. This
method, therefore, maximizes the corrosion resis-
tance and the results obtained are much better than
those from conventional anionic electrodeposition.
BODY SEALING
Sealant has been applied to all body panel joints and seams in
order to provide resistance to water, dust, and corrosion.
UNDERBODY COATING
An underbody coating has been applied to the underside of the
floor pans, the inside of the doors, etc., in order to provide
resistance to vibration, corrosion, and wear.
AB200110
AB
ANIONIC ELECTRODEPOSITION CATIONIC ELECTRODEPOSITION
COUNTERAGENT
ANIONIC
COATING
CATIONIC
COATING
COUNTERAGENT
ALKALI
SOLUTION
AB200111
A
A
A - A Section
AB
AB200112
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