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Old 03-01-2010, 04:28 AM
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advise on PG epoxy D834 DP40

Hi all

I sprayed my shell with PPG epoxy (D834 DP40) about 6 weeks ago. Since then I have finally finished the metal work on my doors and their gaps and am now skimming and blocking them off. So I am sanding over filler on the doors and epoxy on the fender and quater.
Trouble is sanding the car dry. Going over the epoxy pills the paper like crazy. Is this normal with epoxy as I have not used it before. The coverage of the epoxy is excellent and it is definately cured.
Wet sanding is working fine but I usually work dry at this stage.

Any help, advise and others experience welcome.

Thanks

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Old 03-01-2010, 06:14 AM
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A lot of times overseas formulas are different then the same product in the States, some epoxies dry sand and some don't, does not mean there is anything wrong with the epoxy.

However you should check with the paint supplier to make sure the epoxy is suppose to be this way, just to make sure there are not other problems.

Not knowing if it is a different formulation, there is no way we can advise from here.
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Old 03-01-2010, 06:19 AM
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Quote:
Originally Posted by BarryK
A lot of times overseas formulas are different then the same product in the States, some epoxies dry sand and some don't, does not mean there is anything wrong with the epoxy.

However you should check with the paint supplier to make sure the epoxy is suppose to be this way, just to make sure there are not other problems.

Not knowing if it is a different formulation, there is no way we can advise from here.

Just got back from picking up more supplies at the paint shop. There was a bodyshop owner in there getting suplies too and he said that is does pill the paper up quickly and to keep doing it wet as I have been. So I guess that is the way forward.

Thanks
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Old 03-01-2010, 09:26 AM
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I have started using Abranet abrasive (open weave stuff) and that seems to work dry on the epoxy. Yay.
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Old 03-02-2010, 08:50 PM
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PPG's Epoxy dry sands terribly.
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