Editing Soda blasting
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Soda blasting is the use of sodium bicarbonate ("baking soda") for paint stripping and rust removal. Soda blasting is controversial in hotrodding because substrates that have been soda blasted often display poor adhesion characteristics as a result of blasting residue left on the substrate. In addition, even when the residue is completely removed, soda blasting may offer no savings over conventional media blasting, because of the extra steps required to remove the residue. ==Soda blasting residue removal== Removal of residue is crucial to the soda blasting procedure. [http://www.holdtight.com/index.htm Holdtight 102] has been recommended for use in cleaning soda-blasted surfaces prior to application of primer. ==Soda blasting procedure== *[http://www.fordmuscle.com/forums/body-paint-articles/485680-soda-blasting-budget.html Soda blasting on a budget] Correct soda blasting procedure may involve the following steps after blasting: *Cleaning with detergent and water. *Blowing dry. *Sanding with 180 grit sandpaper. *Degreasing. *Epoxying. ==Reasons in favor of using soda blasting== *Environmental friendliness. ==Reasons against using soda blasting== *Difficulty of residue removal, especially on parts with cracks/crevices, such as door jambs, engine bays, trunks. *Laborious, time-consuming steps required to prep parts after blasting. *Does not remove rust or body filler. *Does not leave an anchor pattern. *Voids warranties with many paint manufacturers. ==Published professional opinions on soda blasting== *[http://www.southernpolyurethanes.com/tech%20sheets%20new/epOXY%202006.pdf Southern Polyurethanes]: "NEVER use SPI Epoxy over a Soda Blasted vehicle, Acid Etch/Wash Primer, Rust Converter or other Metal Treatments. NEVER!" *[http://www.search-autoparts.com/searchautoparts/article/articleDetail.jsp?id=130652 John Hughes, Ford Motor Company refinish technical expert]: "We don't recommend sodium bicarbonate, because you can’t clean it out of the pores of the metal well enough." ==Related articles== *[[Rust]] *[[Media blasting]] ==References== *http://en.wikipedia.org/wiki/Sodablasting
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