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Old 01-20-2006, 09:27 PM
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Dupont Corlar Epoxy Primer

Anybody use it? Its from their industrial line. I was aksing my supplier for some tough epoxy to use on suspension and undercarriages and he suggested it.

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Old 01-21-2006, 07:05 PM
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anyone?????????
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Old 01-21-2006, 07:10 PM
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I have not seen this stuff in about three years and if everything is the same you would be further ahead using the regular Dupont epoxy in stead of the industrial stuff.
Also doubt the black of the Colar would suit your purpose as the Dupont epoxy black would.

It all could have changed since than, but unlikely.
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Old 01-21-2006, 09:50 PM
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Ok thanks.
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Old 01-22-2006, 08:05 AM
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Corlar used to be Dupont's only epoxy line 20 years ago. The Corlar name by itself has been used on a few of their products. Corlar 810r was an etch primer that was mixed with phosphoric acid to give excellent adhesion and rust protection because it was loaded with zinc.Up to a few years ago, this was the only product to use. Dupont now has a DTM (direct to metal)line, and is basically an epoxy. I would use this over the old "Corlar Epoxy". I'm surprised that the old stuff is still available. If you need more info on this stuff just let me know, because I've sprayed them all. Dan
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Old 01-22-2006, 10:03 AM
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I was pretty much looking for a relatively inexpensive,tough epoxy to spray it and leave it over suspension,rearend housings, brackets and undercarrages. I have been using DP90 but at $260 per sprayable gallon its a little rough on the pocket.
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Old 01-22-2006, 04:40 PM
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when i worked for the yacht co. we used that stuff daily. all the running gear would get coated with it. struts, shafts and trim tabs. we used to brush it on and it goes on like tar. really holds up well though. i would imagine it would be great for undercarrage stuff. never used it for an application where it needed to look good so i cant comment there but it does wear like iron.
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Old 01-22-2006, 08:32 PM
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I did some restoration work back in the late eighties and the shop I worked at used Iron Oxide colored Corlar for the undersides of the tri-five chevs that we did. At the time I thought it was some really tough stuff, adhesion was great. But like most products the formula could have been changed a few times since then. I haven't heard of anyone using it lately. Bob
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Old 02-07-2006, 08:47 AM
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Nasty stuff

This Corlar stuff is NASTY to use - it will not stay suspended in its' reducer. You need to have it shaken by a dealer, then a real quick trip home, get it in the gun and shoot. If you have to use tomorrow, the shaking process has to be repeated. Years ago I bought a quart, brought it home, opened it the next day to use and never did get it stirred back to suspension. The supplier took it back and sold me Variprime - good stuff, but expensive. I now am using the Nason epoxy which is DuPont's 'economy line' at about 1/2 the price of their OEM product. Reading the two MSDS/spec sheets, it looks like the same thing as the expensive spread, only a different color.So far, so good on my Brookville '31roadster. Corlar probably is a good brushable epoxy for marine use as the earlier post says, just not for cars. Unless it is an Amphicar of the '50's
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