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 Post subject: Krylon Coming off of ABS
PostPosted: Tue Mar 31, 2009 8:03 pm 
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In my N64 portable, the back panel is made from an old NES top, which is ABS. I used Krylon Fusion paint, which is made for plastics. Unfortunately, it's chipping and coming off where my fingers touch the back. It's getting pretty bad, so does anybody know why this happens and how to prevent it?

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Tue Mar 31, 2009 9:32 pm 
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Mario wrote:
In my N64 portable, the back panel is made from an old NES top, which is ABS. I used Krylon Fusion paint, which is made for plastics. Unfortunately, it's chipping and coming off where my fingers touch the back. It's getting pretty bad, so does anybody know why this happens and how to prevent it?


clearcoat?

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Tue Mar 31, 2009 9:49 pm 
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Is it glossy? If it is, I'd have to paint my entire (completed) portable. :?

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 1:59 am 
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Did you sand/primer before the coat(s) of Krylon?


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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 6:10 am 
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Krylon says that you don't need to do either of those before painting with their paint.Of course I suppose that depends on what material you use.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 8:34 am 
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Never use primer with Fusion. You may need to sand before painting, though. How did you prepare the plastic when you first painted it?

There are clear coats available with a satin or matte finish. That would give it extra protection.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 11:03 am 
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Tibia wrote:
Never use primer with Fusion.

Never knew that one, but I've never used Fusion particularly either. :P


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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 12:52 pm 
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Skyone wrote:
Did you sand/primer before the coat(s) of Krylon?


Neither, just wiped it down with a wet towel. Then dried it, of course. But I didn't know you should sand it.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 1:49 pm 
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Mario wrote:
Skyone wrote:
Did you sand/primer before the coat(s) of Krylon?


Neither, just wiped it down with a wet towel. Then dried it, of course. But I didn't know you should sand it.


You don't HAVE to, but you will pretty much always get better results.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 5:34 pm 
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thewise1 wrote:
Krylon says that you don't need to do either of those before painting with their paint.Of course I suppose that depends on what material you use.

He means after the paint is on :lol:

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 6:44 pm 
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Well he was talking about primer, so I assumed it was before.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 8:23 pm 
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Fusion is soo many goods. I don't think I'll use anything else.

It could be the age of the plastic combined with no sanding. They say you don't need to sand, but it only helps. And I don't know what your painting technique is, but it's possible that the coats were too thick or whatever.

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 Post subject: Re: Krylon Coming off of ABS
PostPosted: Wed Apr 01, 2009 8:31 pm 
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Instead of a damp towel to clean the plastic, use some alcohol wipes. It evaporates and dries quickly, and unlike water, it can take care of the oils from your skin. They can affect how the paint bonds.

Can you take it apart so that you just repaint the back? I'd do that myself. I'd sand it down a bit, then clean it with the alcohol wipes before you repaint.

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