Rust

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 *Soda blasting can remove light rust, and won't warp panels. However, when soda blasting body panels, the resultant film can negatively affect finish adhesion. Epoxy primer can peel off. Soda blast medium must be "neutralized". 24 or 36 grit grinder, followed by warm water with soap. Do this with a scuff pad, and rinse thoroughly. Some finish companies specifically advise against the use of their products on soda-blasted finishes, which makes its use contentious.
-====Removing surface rust from body panels====
-*How about using baking soda and water?
-*To remove surface rust, use naval jelly (jelled phosphoric acid) and steel wool.
-#Work in small areas, not larger than a square foot.
-#Apply jelly with 000 steel wool, rub it in, and allow it to set for a couple of minutes. Don't let it dry. For inclines, you can also soak some fabric in water, and lay it on the naval jelly.
-#Rub again with steel wool. Repeat a few times, and then clean the area. Dry it immediately.
-Need 80-180 grit sandpaper, DA sander (or sand by hand), steel wool, naval jelly, squirt bottle w/warm soapy water, and paper towels.
-#Get all heavy rust off with DA sander and 80-180 grit paper.
-#Working in 1-2 square feet at a time, wearing rubber gloves, scrub with naval jelly and steel wool. Don't let the naval jelly dry, keep it wet, squirt with bottle.
-#Rinse and re-apply naval jelly if necessary, to get to clean shiny metal.
-#When finished with an area, wipe off excess naval jelly with paper towel, squirt on warm soapy water, and dry thoroughly. Then wipe down with lacquer thinner. Can then sand with 180 grit. After that, you can just use wax and grease remover, and then paint with epoxy primer.
 =Miscellaneous=

Rust

Revision as of 19:28, 13 July 2007

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