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Origin and Potential Causes:
· Improper cleaning, drying(tempering) or preparation - failure to remove mold-release agents.
· Improper treatment.
· Wrong identification of substrate.
· Failure to use proper sealer/primer.
· Failure to use proper/recommended topcoat system.Prevention Techniques:
· Clean and degrease the plastic part properly.
· Identify the type of plastic substrate and follow recommended paint system for that specific type of substrate.
· Thoroughly clean substrate to be painted using recommendedsystem. · Use recommended sealer/primer using the correct mixing ratio of recommended activator, flexible additive and thinner.
· Apply sealer/primer to recommended film build using recommended viscosity.
· Use topcoat as recommended for type of plastic substrate to be painted.
· Where recommended, use a suitable adhesion primer for the type of plstic substrate being finished.Remedy
· Remove all finish layers from the substrate.
· Refinish using recommended preparation and paint system for type of plastic substrate to be painted.
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