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Old 08-07-2005, 11:10 AM
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Primer help

Just a quick question about PPG Non Sanding Epoxy Primer, DP50LF. I have the catalyst, DP402LF for it. I checked what I could find on PPG's web sites and could not find the proportions to mix this stuff. Any ideas? Also, should it be reduced any before spraying? I am spraying a frame that has been sand blasted, treated with phosphoric acid and now washed and dry, ready to spray.

Thanks,
Scott

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Old 08-07-2005, 11:36 AM
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It mixes two parts epoxy to one part catalyst. Thinning is not required and is normally just reduced when using it as a sealer. Sometimes I add reducer depending on what I am priming. With a "blasted" frame, I would not use reducer.

I would read the tech sheet top to bottom before spraying. Your recoat window is critical. What I mean is on a frame it would be a good idea to get your final color on it as soon as possible so you dont have to scuff it.

Here is PPG's site for products

http://www.ppg.com/cr-refinish/phase...roductInfo.asp

Rich
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Old 08-07-2005, 01:05 PM
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Thanks for the response, Rich. I have been to that site and I couldn't find the product I have. Is there somewhere I can get the tech sheet off the internet?

Thanks,
Scott
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Old 08-07-2005, 01:16 PM
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Scott, I hate these paint sites !! Hard to find stuff.

Its there. http://www.ppg.com/cr-refinish/phase...indProduct.asp

Scroll down for DP 90


Rich
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Old 08-07-2005, 02:53 PM
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Thanks Rich,

I guess I looked right at that page 3 or 4 times and it never registered. A little cerebral flatulence there, I guess. Thanks a lot. Now I can go to work and hopefully get it painted yet tonight.

Thanks again,
Scott
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Old 08-07-2005, 03:10 PM
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I hear you, I looked all over for a techsheet for limco when I used it, and could never find one anywhere. Mixed the base 1-1 like ppg I normally use. The limco sprayed allright at that ratio, didn't have any problems, but am thinking it is suppose to be mixed 2-1. There is not one thing printed on the label either for using it.
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Old 08-07-2005, 06:39 PM
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Thanks for the help. Got the frame all sprayed and it came out looking good. The window for re-coating without scuffing is a week, so I have to make up my mind now about the color. If it isn't one thing , it's another.

Thanks again.

Scott
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Old 08-07-2005, 07:38 PM
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Good deal. DP works great on frames. If needed you can give it a shot of fill primer now and wetsand before paint depending on the look you want.

Rich

PS: I wish someone would create a reference index on this site to manufacturer and paint links for such things. Its hard to start at ppg.com and find anything.
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Old 08-07-2005, 07:47 PM
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Yeah if you are planning or applying fill primer and sanding it do that. If you are planning on putting paint on top and not sanding, apply another coat of epoxy if you don't think you will the color in time and are not planning on sanding it. You can extend your window that way.
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