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#1
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After having panels media blasted, what's the proper techique for etching? Is it always necessary before an epoxy prime?
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#2
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Yes, you should shoot a self-etching primer over any bare metal before you shoot primer. Self-etch is a conversion coating that gives the best protection against corrosion. It generally is a 1-shot application over bare metal only. -Jeb |
#3
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Would you consider PPG DP90 a self-etching primer? Thanks.
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