Date: 120803
Body - Don't Apply Corrosion Protection On Plastic Panels
NUMBER: 31-005-12
GROUP: Collision Bulletin
DATE: August 03, 2012
SUBJECT:
Do Not Apply Corrosion Protection On SMC (Plastic) Panels
OVERVIEW:
This bulletin involves discussing SMC (plastic) panels and applying corrosion protection.
2020 Dodge or Ram Truck Grand Caravan V6-3.6L Page 87
DISCUSSION:
The application of corrosion protection on SMC (plastic) panels is unnecessary and not recommended. It can adversely affect the paint or any other
coating applied to the substrate. In some instances it can cause a condition commonly referred to as solvent popping shown in (Fig. 1). Although the
condition appears to be repairable, it will reoccur because the SMC substrate is porous and has essentially absorbed the corrosion inhibitor, which
will cause the condition to reoccur. Panel replacement is required when solvent popping is evident on SMC (plastic) panels when corrosion
protection materials have been applied.
Unique SMC (Plastic) Applications Include But Are Not Limited To:
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