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Old 04-15-2012, 09:04 PM
johnyIROC johnyIROC is offline
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Metallic Base/Clear Issue

I am shooting a fender and bumper cover using PPG Omni with metallic base (silver) and clear. The base laid down fine, and after the final coat I let it flash off for extra time (2 hrs at the recommended temp).

When I shot the clear, the first layer when down... second layer had a few runs. I thought no big deal, I'll wetsand that out later. So I proceeded to throw down the third and final layer, then let it cure for 2 days.

So today I went to knock the runs down with 1000, and after levelling the clear, I can clearly see where every one of the runs was, the metallic is reflecting differently. I did not break through the clear... it is almost like the basecoat was absorbed up into the clear coat or the base sagged after the second coat of clear. Is this even possible?
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