Soda blasting
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| − | Soda blasting is the use of sodium bicarbonate ("baking soda") as | + | Soda blasting is the use of sodium bicarbonate ("baking soda") or sodium bicarbonate-based materials as blast media 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 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. | ||
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*Sodium bicarbonate has a well-known chemistry, and is widely considered safe to use. | *Sodium bicarbonate has a well-known chemistry, and is widely considered safe to use. | ||
*You can soda blast lightly to leave the body filler intact, and then go over it again to remove all filler. | *You can soda blast lightly to leave the body filler intact, and then go over it again to remove all filler. | ||
| + | *No pre-cleaning required (Prior to blasting, traditional blasting media may require the surface to be thoroughly cleaned to remove salt, carbon, or grease.) | ||
| + | *Allows for easier detection of surface flaws. (Traditional abrasive media may peen cracks closed, or fill them with abrasive, whereas soda cleans out the cracks). | ||
For a professional, experienced shop that's well-trained in its use, does all of the finish prep work itself, and has a soda-friendly guarantee from its paint supplier, soda blasting may be a viable choice. | For a professional, experienced shop that's well-trained in its use, does all of the finish prep work itself, and has a soda-friendly guarantee from its paint supplier, soda blasting may be a viable choice. | ||
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*http://www.universalminerals.com/library/soda-blasting-overview.shtml | *http://www.universalminerals.com/library/soda-blasting-overview.shtml | ||
*http://www.balearicsodablasting.com/FAQ.html | *http://www.balearicsodablasting.com/FAQ.html | ||
| + | *http://www.nutechsodablasting.com/content/view/3/7/ | ||
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