Problem with Injection Molded Nylon

General chat on substrates, materials and inks
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MikeM362
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Problem with Injection Molded Nylon

Post by MikeM362 » Sat Jan 26, 2019 7:44 pm

Hi all - We have a product made from injection molded nylon 6-6 (20% glass filled). We're using a Roland LEF-300 to print a color design on the part but we can't get anything to stick.

We've tried plasma and flame treating it, several pretreats, and several printing configurations (clear,wh,color & wh,color,clear & clear,wh,clear,color).

No matter what we try, we can still easily scrape the ink off with our fingernails.

Has anyone had any luck with this??

Thanks!!

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Kai Perry
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Re: Problem with Injection Molded Nylon

Post by Kai Perry » Mon Jan 28, 2019 10:18 am

What primers have you tried?
Kai Perry
Application Engineer
Roland DG (UK) Ltd
http://www.rolanddg.co.uk

MikeM362
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Posts: 2
Joined: Sat Jan 26, 2019 7:34 pm

Re: Problem with Injection Molded Nylon

Post by MikeM362 » Sat Feb 09, 2019 9:34 pm

Hi Kai,

So far, we've tried:

-Bordeaux Clear PL
-AP3155 Adhesion Promoter
-Plain isopropyl alcohol
-PP primer

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Joe Wigzell
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Re: Problem with Injection Molded Nylon

Post by Joe Wigzell » Sun Feb 10, 2019 9:48 am

Could try the one from Nazdar (UV print bond), the Roland printable one, the Roland glass specific one, there's a Fuli one, also all of the ones from Rotaprint.net
Lot's to try!
Joe Wigzell
Academy and Creative Centre Manager
Roland DG UK Ltd
http://www.rolanddg.co.uk

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