[Zmagnette] Paint
Gene deRuelle
deruelle at att.net
Sat Dec 28 21:48:16 MST 2013
What? ! And spoil all the fun??
----- Original Message -----
From: Steve Kirby
To: List for the Z Magnette Group - North America
Sent: Saturday, December 28, 2013 8:23 PM
Subject: Re: [Zmagnette] Paint
ooooops, John is absolutely right. I should have looked at my "cans" of junk before writing such a treatise. I now realize how I made that mistake. I use to use PPG DP40 epoxy sealer, and an etching stuff prior to that (a yellow/greenie looking product). Somewhere along there, the guy I work with said you really didn't need to use the etching stuff anymore, as as the DP40 would be fine without it.
Then, to make matters worse "in my mind", I started using SEM and UPol "self etching primer" in spray cans, again on the advice of the same guy, when I would occassionaly sand through, or whatever, the epoxy sealer. My "guy" said that would be fine, and totally compatible with the DP40 type products (I now use a similar type product,made by TCP (which I believe is made by ValSpar, rather than the $$$$ PPG DP40, or even the PPG Omni line). Thus, somehow in the back recesses of the remnants of my withering brain, the two products somewhat merged and became "self-etching epoxy sealer". John is 100% correct, ain't no such animal.
What I will say, is that on the last 3 cars (well, 2 cars, one large truck) I have skipped the etching stage completely, and gone completely with the epoxy sealer, as the first step. Have not had one problem . . . again, on the advice of a respected auto body supplier person. Guess that is partially how I derived the "new (so new, it hasn't been invented yet!) product: self-etching epoxy sealer! Throw in the self-etching spray cans of primer, which was recommended to use on whatever bare metal areas might occur, and that completed my erroneous mental route.
The next time I attempt such a discourse, I think I best mosey up to my shop, and check the cans of stuff I'm talking about.
#2SteveK
----- Original Message -----
From: John Elwood
To: List for the Z Magnette Group - North America
Sent: Saturday, December 28, 2013 6:18 AM
Subject: Re: [Zmagnette] Paint
I've never heard of " self-etching, epoxy - catalytic sealer ". Always thought it was one or the other... Either an etch primer, or a epoxy, not both... What product is " self-etching, epoxy - catalytic sealer "? Google gives me nothing.
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