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Coating defects caused by incomplete grinding, irregular or grinding scratches, ...
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                            After the putty is scraped on the 2k paint surface or OEM paint (original paint)...
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                            The paint film is not completely dry and solid after drying (self-drying or dryi...
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                            A phenomenon in which the sanding pattern is clearly visible after the topcoat h...
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                            When spraying, a smooth dry paint film surface cannot be formed, but the unevenn...
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