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Primer not sticking to diecast model

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  • Member since
    June 2014
  • From: New Braunfels , Texas
Posted by Tanker - Builder on Saturday, October 20, 2018 1:41 PM

Tim; 

    I think you may have to use a metal etching and cleaning compound on it . I sometimes had to do that to real cars in some spots . For instance on the Quarter panel where it joins the roof .

    They changed from real lead to the other stuff and Ditzler ( the good stuff ) wouldn't stick unless I did that !

  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Friday, October 19, 2018 1:04 AM

Don Stauffer

For priming metal, I would stick to a primer intended for metal.  I usually use automotive primer, though Rustoleum primer does seem to work pretty well.  Try an auto parts store.  I usually use Duplicolor for metal.

 

 

Tamiya also makes a rattle can Metal Primer. If it sticks as good as the rest of their primers, it should be quite adequate.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Thursday, October 18, 2018 8:44 AM

For priming metal, I would stick to a primer intended for metal.  I usually use automotive primer, though Rustoleum primer does seem to work pretty well.  Try an auto parts store.  I usually use Duplicolor for metal.

 

Don Stauffer in Minnesota

  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Wednesday, October 17, 2018 8:59 PM

I would suggest Tamiya Liquid Surface Primer. That stuff sticks to everything!!!! Glass, metal, plastic, resin... it comes in rattle cans or jars for thinning in airbrush use.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    May 2018
Primer not sticking to diecast model
Posted by Tim3737 on Wednesday, October 17, 2018 7:20 PM

Does anyone have a recomendation for a good primer for 1/18 scale diecast? I have been having serious issues with primers not sticking. After the 1st couple failed attempts with black and gray primers I purchased some self etching primer from the auto parts store but the stuff still just won't stick, even after roughing up with 320 grit. The self etching primer is Dupli-color.

Please help.

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