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Posted by Joe Cimoch on Saturday, January 05, 2008 at 18:09:09 :
The latest Eastwood catalog has soda blasters advertised. The benefits look good, has anyone tried this?
From Eastwood
A car can be stripped of its paint without the need for time-consuming masking, actually leaving all trim, rubber and glass IN PLACE, with no harm coming to those components! Additionally, no panel-warping heat is generated, so the surface is left smooth and texture-free even on aluminum and fiberglass! This is because the soda particles completely shatter into a dust after striking and removing the paint, inflicting no harm to the base metal or fiberglass. We recently stripped the paint on a vintage car using a soda blaster and discovered original factory sanding marks on the fender! They were left intact but the paint was gone!
The soda leaves a light, dusty protective film on panels, helping to prevent surface rust for up to several months. This is simply rinsed away with water prior to painting, as you rinse out seams and crevices to remove any stray dust particles. Perhaps the best feature of soda is the fact that it is completely inert and water soluble, saving a great deal of clean-up time when the job is done. (Of course the proper steps should be taken to recover removed paint particles before getting out the hose and washing the dust away.)
One additional use of Soda as a blasting media is to clean and degrease complex mechanical assemblies, such as transmissions or rear axles, with no harm to internal moving parts. Many folks also use it to clean under-hood areas, without removing or harming components or wiring.
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