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Paint Degradation - Peeling, Poor Adhesion
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Peeling, Poor Adhesion |
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Paint peeling off from the old paint film, steel sheet, plastic part or undercoat.
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CAUSES:
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Inadequate base material preparation applied according to material type (bumper, aluminum alloy, etc.). | |
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Poor sanding of old paint film or coating surface. | |
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Poor adhesion between basecoat and topcoat layers or between old paint film and topcoat. | |
PREVENTION:
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Adequately prepare the base material before painting. | |
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Thoroughly sand the old paint film. | |
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Clean and degrease the area to be painted. | |
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CORRECTIVE ACTIONS:
Sand down the peeling area thoroughly and repaint.
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