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3M Company Message Board

  • mandan14shooter mandan14shooter Mar 20, 2014 12:56 PM Flag

    Nitrocellulose Lacquer, Synthetic Enamel, Acrylic Lacquer, Acrylic Enamel,

    Acrylic Urethanes and true Polyurethanes. What a nice trip up the ladder. PPG Deltron, Dupont Imron or the new basecoat-clearcoats. All the paints shot differently, but 3M was right alongside all of them with the best sandpaper, tape and finishing products. my humble opinion of course....

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    • Mistakes can be made. i remember doing a complete about 25 years ago on a 51 Chev. An original car with the original lacquer green paint. i don't know if the directions are the same these days, but back then Dupont directions used a 3601(?) SLOW lacquer thinner in their activated Imron sealer. The sealer is a very important part of a paint job. One medium activated coat before applying the finish coat and their recommended 30 minute waiting period should be stretched to at least an hour for adequate drying time. i put a medium sealer coat on, waited an hour, went back out and that sealer went right through and LIFTED THE ORIGINAL OLD LACQUER PAINT. That was amazing. i notified the company and suggested they change their sealer and i switched to to PPG DP sealers from that point on and never had a problem after that. Imron Mettalics are simply amazing. Two coats and your done and 20 years later, that old truck or car will still have a nice shine....

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