In article . com,
wrote:

Considering using corlar epoxy primer on 4130 tube fuselage. Is it dope
proof or specifically polytack proof? UV resistant and how hard and
durable is it? Going on clean metal and peviously primed metal. Also
wondering how glossy is it. Thanks Keith


Usually, you want to spray a topcoat over primers, as most primers allow
moisture to penetrate them. The primer serves as an adhesion agent for
paint.

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