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2nd coat woes with super durables?

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  • 2nd coat woes with super durables?

    I'm practice coating some rims and using PBTP Super durable Gloss black. 1st coat goes on well but looks a little rough since the rims are rough to begin with. A little light sanding, then into the oven for 15 min at low temp to remove any charge. back to the booth for 2nd coat. I'm getting horrible results. Powder does not adhere well. I get a few patches of powder but mostly the SD just bounces off.. I have good ground with HSO1 gun. Found a bare metal area to clamp to. part was clean etc. Tried anywhere from 15kv to 60kv with no difference in adhesion..
    Same settings etc. with other parts works great, so the gun is not the problem that I can tell. No ground issues that I can detect.

    *** does the SD High gloss black not like second coats? The stuff is really tough...*** Or, what am I doing wrong now?

    Thanks again for the newbie help.

    Ben



    Ben

  • #2
    Re: 2nd coat woes with super durables?

    SD's do not like second coats
    I would suggest using a primer coat, then a SD top coat.

    Normally if it's a solid color I use the color as a "primer" also so I don't have to worry about bleed thru, exception being metallics, transparents and SD colors
    Josh

    http://www.Streetwerkz.com
    http://www.facebook.com/reqs.php#/pr...00000211105322
    [email protected]

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    • #3
      Re: 2nd coat woes with super durables?

      Thanks Josh. Yesterday was pretty frustrating dealing with the SD black.. Was beginning to think I didn't I just didn't have the skills do do rims.. What a beatdown!
      I appreciate the primer/color basecoat tips. had I known about the SD colors I wouldn't have used them in the first place.
      Much appreciated.

      Ben

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      • #4
        Re: 2nd coat woes with super durables?

        To help dissipate the charge better and aid in attraction add a ground wire that goes to a ground rod. It will help immensely.

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        • #5
          Re: 2nd coat woes with super durables?

          SD colors are nice, just a slight learning curve is all.
          keep at it
          Josh

          http://www.Streetwerkz.com
          http://www.facebook.com/reqs.php#/pr...00000211105322
          [email protected]

          Comment


          • #6
            nice to see your still alive josh
            "What doesn't kill you, only makes you stronger."

            www.truebluepowdercoating.com
            www.facebook.com/truebluepowdercoating

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