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PatG
Hi Guys
Well, I just shot my first test panel. Used epoxy primer and covered with one coat of Featherfill G2. After 24 hours (and temps in low 60’s at best), I lightly sanded with 600 grit and then shot three metallic red PPG DBU and three coats Universal Clear. Clear went down great – so far, so good. Now we’re at Day 4 and I’m starting to see sand scratches telegraph through red metallic. I’m guessing that the epoxy and Featherfill did not have time to fully cure out prior to covering with red. So, my question is two-fold. If I’m going to just shoot epoxy and then block and paint, what is cure time to avoid these sand scratches? If I’m going to shoot poly primer or urethane primer (I also have SPI Regular Build Primer which I’ll be using in the future), what is cure time to avoid these scratches? Thanks for the tips.
Pat
Well, I just shot my first test panel. Used epoxy primer and covered with one coat of Featherfill G2. After 24 hours (and temps in low 60’s at best), I lightly sanded with 600 grit and then shot three metallic red PPG DBU and three coats Universal Clear. Clear went down great – so far, so good. Now we’re at Day 4 and I’m starting to see sand scratches telegraph through red metallic. I’m guessing that the epoxy and Featherfill did not have time to fully cure out prior to covering with red. So, my question is two-fold. If I’m going to just shoot epoxy and then block and paint, what is cure time to avoid these sand scratches? If I’m going to shoot poly primer or urethane primer (I also have SPI Regular Build Primer which I’ll be using in the future), what is cure time to avoid these scratches? Thanks for the tips.
Pat