1970 Plymouth Barracuda Sand Sem Weld
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The SEM weld can be sanded like Bondo, but it takes more effort. Make sure to over-fill the repair slightly, so that it can be sanded down flush; #80 grit paper cuts it well. If the edges peel, the SEM Weld hasn't had enough cure time or the repair area isn't clean or roughened adequately. View Related Article
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