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Working with resin?

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  • Member since
    August, 2016
Working with resin?
Posted by mini man on Saturday, December 09, 2017 8:34 AM

I have just ordered a resin shell and have never worked on resin before,- priming it  do I need to use an etch primer or not?

 

Nigel.

 

  • Member since
    March, 2010
  • From: Midwest
Posted by High octane on Saturday, December 09, 2017 5:59 PM

Just clean the body up according to the manufacturer's instructions and use whatever primer you'd like.

High octane

  • Member since
    December, 2007
  • From: Portland Oregon: Tree Country. Most beautiful area on the West coast.
Posted by Treehugger Dave on Saturday, December 09, 2017 6:43 PM

High octane

Just clean the body up according to the manufacturer's instructions and use whatever primer you'd like.

 

I agree with High Octane Thumbs Up, plus like anything new there's a learning curve.

I clean mine by submerging it in Bleche-Wite white wall cleaner for 24 hours, then wash it in soapy warm water, dry it off and let it air dry at least 24 hours, then it's ready for any filler you may need to use and a good grade of primer.

Paint stripping is a little more tedious than most strippers for plastic. You need to use a marine grade cleaning solvent used for fiberglass boats, as brake fluid and other cleaners which many use for plastic cars will permanently soften and ruin resin bodies.

Other than that your off to the races Smile. Have fun and keep us in the loop on how your doing.

All the best......

Love Velocity channel, Mecum Auctions and Barrett/Jackson auctions 

 

 

                                     

 

 

  • Member since
    August, 2016
Posted by mini man on Sunday, December 10, 2017 1:20 PM

Thanks gents,one last question - asked elsewhere and was told NOT to use etch pimer,is this correct?

 

Nigel.

 

  • Member since
    December, 2007
  • From: Portland Oregon: Tree Country. Most beautiful area on the West coast.
Posted by Treehugger Dave on Sunday, December 10, 2017 6:09 PM

I've never heard of using "etch primer. I've built over a dozen resin kits and have never used it. I just used the same formula as I mentioned above as it's worked great for years.

I have a couple dozen more resin kits and will follow the same formula for all of them. It's simple and works great.

All the best and have a wonderful holiday and Merry Christmas Thumbs Up.

Love Velocity channel, Mecum Auctions and Barrett/Jackson auctions 

 

 

                                     

 

 

  • Member since
    March, 2011
Posted by gulftarpon on Sunday, December 10, 2017 6:57 PM

I wipe mine down with Bleche White or laquer thiner to remove mold release, then use regular DupliColor grey sandable primer. It shows me where the pinholes and imperfections are.

  • Member since
    January, 2008
  • From: Plano (Dallas), Texas
Posted by mmthrax on Thursday, December 21, 2017 9:05 AM

This is great info.  Resin has always been a mystery to me.  This will help me get started.

Thank you very much.

mmthrax

Just keep picking away at it...

  • Member since
    December, 2016
  • From: Pasco, Wa
Posted by ScottH454 on Thursday, December 21, 2017 8:40 PM

I have used the duplicolor self-etch primer on resin and think even the plastic. That primer is, of course, meant to be sprayed only on bare metal an not recommended on the surrounding paint surfaces. It has an acid in it that will eat into the metal an then give regular primer something to hold on to. When I was painting my resin parts I noticed I could easily scratch the paint off down to the bare resin. I thought using the etch might eat enough into the resin for the paint to stick. I think it might have helped some but depends on how much you want to hassle with it. I decanted the rattle can so I could spray a thinner coat, thick is probably your enemy. If it wasn't mentioned before scuffing the body surface will be a better help a light coat of primer fondation to find pinholes and voids.

  • Member since
    September, 2017
Posted by Big Gary on Friday, December 22, 2017 3:34 AM

I haven't done much with resin but with all things molded, washing off the mold release goes a long way towards getting paint to stick.  

  • Member since
    January, 2005
  • From: Bombala, Australia
Posted by aussiemuscle308 on Monday, December 25, 2017 7:07 PM
don't use etch primer it's for metal and the etch is to give it 'bite' to the surface. that might adversely affect the resin. you will need to clean up the resin thoroughly anyway, so just give it a light sanding all over.

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