Edge mapping
Source:The SiteAuthor:admin Addtime:2021/6/23 Click:0
Definition
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Edges showing through in the top coat.
Cause
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Old paintwork not sanded down smoothly at the edges.
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Putty and surfacer applied on top of elastic factory finish.
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Surfacer sanded and recoated before it had fully dried.
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Substrate not completely dry.
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Priming material applied in excessive film thickness and not allowed to dry properly.
Prevention
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Carry out a solvent test on the substrate (elastic / hard).
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Apply putty to bare metal only.
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On elastic substrates apply surfacer to complete panels.
Remedy
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After the top coat has fully dried, fine-sand and polish.
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Sand, isolate with a surfacer and spray again.
