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etching primer is for bare metal. It acts as a sealant. You can also use epoxy primer for bare metal. You still need to use a filler primer over it to get a smooth finish.
etching primer is for bare metal. It acts as a sealant. You can also use epoxy primer for bare metal. You still need to use a filler primer over it to get a smooth finish.
etching primer is not a sealant neither is primer thay both absorb water and will rust back through if not topcoated