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Need some advice, painting on plastic with testors. scratch proof

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  • Member since
    August, 2017
Need some advice, painting on plastic with testors. scratch proof
Posted by vibemind on Sunday, August 27, 2017 9:42 AM

Hello everyone! So, although I do not paint cars but I've been reading great reviews of the testors paints and thought id give it a go for a project ive been working on. I'm in the process of printing, or painting, plastic items to look like  a promotional item you'd get made up. I am aware that that process is much different but I know I can achieve the look I want with paints!

Now, I prepped my plastic and painted on over my stencil with Testors Enamel Paint and it turned out great, I did airbrush and brush to see the diffrence, the airbrush was much thinner and more even. I waited for it to dry it probably still needs another day to FULLY cure but i took a test one, and it seems to be easily chipped off if scratched with your nail. Now this is an item that undergoes handling, Should this happen? Should I Go over it with a gloss clear coat? Should I switch to Acrylics? Kind of stumped here. Hope I can get some good feedback, Thanks much ^_^

  • Member since
    August, 2005
  • From: Nashua, New Hampshire
Posted by mrmike on Sunday, August 27, 2017 11:18 AM

The proocess for painting plastic is removing mold lines and any defects, cleaning the plastic with Dawn dish detergent, air dry, use a primer over the plastic and sand any rough spots smooth with sand paper, wash again and air dry, then paint.  Since you are using enamel paint, enamel paints take a long time to dry or as some call it, gassing out.  This can be accomplished by sniffing the painted item.  If you can still smell the paint, it is still drying or gassing out.  A dyhydrator will help in the drying process.  When gluing parts together, scrap a small portiion of the paint and primer away to expose the plastic underneath.  The glue will then have something very solid to grab and meld to. 

"That's Spenser with an 'S' like the poet." Robert Urich Spenser For Hire 1985 

On my bench-Foose Ford FD100 Pickup; 1969 Plymouth Road Runner

Classic Plastic Model Club

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