If you reach the plastic part during the sanding process, cover the bare areas that show the “live” plastic with a plastic adhesion promoter. This will enhance the putty's adhesion to the surface of the bumper.
↑打个退堂鼓,哈。另外,塑胶件上色漆前最好喷一层adhesion coating以防壳起
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primer吧,好几种的
-chinomango-
♂
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08/19/2023 postreply
23:46:19