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Old 02-15-2005, 03:43 PM
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spray can primer help?

ok, im fixing a little surface rust spot on my beater car and i just plan on using spray cans to do it. My question is when i went to get some primer i want epoxy primer to spray over the bare metal ,but these are the only ones i could find. primer/sealer , primer filler and sandable primer out of these 3 which one would i want to use?

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Old 02-15-2005, 05:32 PM
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There is no such thing as epoxy primer or paint from a spray can, it is physically impossible. Epoxy requires the mixing of two or more chemical compounds to initiate a reaction which cures (hardens) the primer or paint. I do not care what it says on the label, it is not epoxy, that is strictly a marketing ploy. Of the three you mentioned the primer/sealer is the one you want, but it will provide limited protection.

Vince
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Old 02-15-2005, 06:47 PM
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so i would want to spray primer/sealer first then sanding primer over that ?
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Old 02-15-2005, 07:23 PM
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No, spray your sanding primer first, then your primer/sealer. I would not place too much faith in any spray bomb keeping moisture and rust at bay.

Vince
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Old 02-15-2005, 07:30 PM
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Or buy some quality epoxy and brush it on and follow up with a roll on type urethane surfacer if you don't have access to spraying equipment. This method would be crude but will work. Some epoxies are designed for brush applications and many shops across the country are using the roll on type surfacers. Just a thought,
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Old 02-15-2005, 07:35 PM
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I just want this to keep the rust spots off for a short period of time until i do my full paintjob in the near future. thanks guys
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