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Forum Newbie
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Last Login: 12/14/2007 11:35:56 AM
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| hi my names Dwayne im 15 years old an own a 1950 ford custom deluxe sedan right now im strippin all the paint off, and i was wondering does anyone know of anything that will stop rust on bare sheet metal. now im not talkin like primmers or anything i mean like a temporay substance that i can primmer/paint over later. thanks
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Forum Newbie
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Last Login: 8/28/2007 4:58:27 PM
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Actually if you have clean and sanded metal free of rust, the best thing would probably be to get an epoxy primer on it right away. Epoxy primer is not porous like other primers, and will protect the metal from air and moisture. It has good adhesion to bare metal, and is compatable with many other paint products. Any bodyfiller work or fill primer can be done over the epoxy, without sanding if within its window, usually at least a couple of days to a week, check the product information sheets for the brand you use. Or else just scuff it up with some 180 grit first if past time. It is not uv resistant and may chalk up over time when exposed to the elements, but will do a good job of protecting. If you go back to work after driving around with it, just sand it and reapply another coat before continueing on. Many of the primer rods you see use an epoxy primer.
There is also metal cleaner and conditioners, like ppg dx520 and 579 that will etch metal and leaving a protective zinc phosphate coating on the surface which is compatable with primer. could mean possible trouble later if it went into a seam, didn't get neutralize and leached out later, or if wasn't properly neutralized in te first place. Also believe there may be warnings about using if metal has been sandblasted.
When you buy new sheetmetal, there is often an oil on the surface to protect, but I am hesitant recommending anyone use oil on a surface you will be painting. I would have to be properly cleaned and cleaned well, and could prove even more difficult if the surface has been sanded, and exspecially blasted.
Really physically getting rid any rust, sanding the metal (I like to use 80 on a orbital sander except where it is unable to get) Avoid getting contamination from fingerprints on the surface and then spraying on epoxy primer Is probably the easiest, safest way to go. If you think the metal may have been contaminated, wipe down with wax and grease remover, applying with one rag following right behind with another to dry before it evaporates. Then let sit awhile to be sure all the wax and grease remover has evaporated well from the surface before priming.
http://victorylap.50webs.com
auto body, paint, restoration. Green Bay, WI
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Forum Newbie
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Last Login: 9/1/2007 12:34:00 PM
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| On the bare metal surface you can apply the product called Picklex 20 which will keep the metal from rusting as long as couple of years, so far you keep the car inside the garage. Also it will remove surface flash rust. Go to the web site www.picklex20.com . Also you can weld, prime, paint and powder coat over this coating. Lot of people have been using this product for several years.
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Forum Newbie
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Last Login: 1/15/2008 2:14:53 PM
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Forum Newbie
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Last Login: 11/13/2008 9:07:28 AM
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| POR15 works well but mainly for metal that already has some rust on it as it uses an encapsulation like a ceramic coating. A similar product is eastwood's rust encapsulator. These products can be difficult to work with and are expensive. I use a combination of cleaning the metal and a metal etching product like por15's degreaser and metal ready and a primer on bare clean metal. For rusty metal you want to restore without having to sand down to bare metal and to make sure no more air or moisture gets to the metal you can not go wrong with por15 or similar products.
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