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Post Info TOPIC: Ok to Paint Acrylic Enamel Over Epoxy Primer?


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Ok to Paint Acrylic Enamel Over Epoxy Primer?


Hi,

I have primed metal with Epoxy Primer; but Epoxy Enamel Topcoat is not available in our paint stores.  Can I use Acrylic Enamel instead as topcoat?

Also, what is the typical curing time for Epoxy Primers?

Lastly, Epoxy Reducers are not available. Is it Ok to use Lacquer Thinners for thinning?



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joeylemor wrote:

Hi,

I have primed metal with Epoxy Primer; but Epoxy Enamel Topcoat is not available in our paint stores.  Can I use Acrylic Enamel instead as topcoat?

Also, what is the typical curing time for Epoxy Primers?

Lastly, Epoxy Reducers are not available. Is it Ok to use Lacquer Thinners for thinning?


  Here is a good link to give you some ideas on what to do,, explains the process much better than I can,,,

http://www.learnautopainting.com/undercoats.htm

Regardless,, it is highly recromended that you use the CORRECT materials ( thinners & hardeners) for the type of paint you are using, Lacquer is intended to be used in Lacquer based paints,, if the epoxy is lacquer based then it will probably work,, but epoxy primer also uses a hardner ,  plus the correct reducer,  using anything else will most likely be a huge expensive mistake,,

 

 drying times varies,,depends on the temp, air flow etc,,,

most epoxy paints have a topcoat drying window,, that needs to be followed,, because if left to dry too long,, it gets too hard and the top coat will not adhere to the epoxy well,,

Its very important to follow the instructions for the correct materials, mixing, application, drying time and top-coating,

 http://forum.eastwood.com/showthread.php?7799-Paint-Prep-Using-Epoxy-Primer

hopefully this link will help you out,, there are so many paint products on the market today,, and hardly any of them have the same characteristics  good luck

 

Oh Yeah   WELCOME to the Handyman show,, just a small group here ,, but we enjoy each others company,, Try to help where  we can,, and mostly just have fun,, kinda like a small family'' I hope you join us,,  Bill  AKA ,,, Rat



-- Edited by Bad Rat on Wednesday 14th of September 2011 01:28:08 PM

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welcome joeylemor. like the rat said. dont mix products. it is a recipe for disaster. ask me how i know,,, hahaha

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Great info on epoxy primers. Unfortunately, the primer I used did'nt indicate a window time ... and yeah ... no drying time either. I had to email their customer rep who told me the drying time was 5 to24 hours?

Did he meant dry to touch at 5 but cures at 24? But that couldn't be, since epoxy might need a few days to cure. Or did he mean that drying depends, maybe on the amount of catalyst mixed in?

Anyway, its really just a small paint job that I need to do on a few barbell weight plates. I borrowed a grinder from a friend and removed all rust and chipping old paint. I was thinking since enamel topcoat's not available, I can use some leftover acrylic enamel paint aww

Thanks for the welcome everyone :)

Btw Rat, is that your truck in the picture? Nice paint job! That's a hot vintage there. I wish I can paint like that hmm

 



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That 5-24 was the recoat window,, after that 24 Hr, the epoxy will be too hard to let the top coat adhere,, but since its on something like the bar-bell weights, I'd go ahead and paint it and see what happens,, nothing to lose cept some old paint, you could always buy some cheap industral type paint and do your thing,,,

The picture in my avatar is not my car but I have one just like it( not finished,,) That car was at the NSRA nationals in Louisville Kentucky a few years ago, where I took that picture,, bad ass hotrod

look at the link at the bottom of my posts and there is some pictures of mine,,( photobucket albums)



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