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This is a good point, out here in AZ, the sand will have salt in it. Eastwood
sells an aerosol cleaner called "PRE". I wonder what it is? Is there anything I
can wash the metal with that won't leave oil or cause rust?
Black Beauty may not be obtainable out here. Sounds like great stuff though.
Lisa
Mel Miller wrote:
> <snip>One other reason to use a commercial blasting medium is that some sand
> contains salt. When the sand is smacked into the metal by the pressure
> of the air, salt residue penetrates into the pores of the metal and can
> mess up the adhesion of primer and paint. After a while rust bubbles
> form under the coating and the surface is eventually breached. Steel and
> aluminum ships are never blasted with sand prior to painting for this
> very reason.
>
> Happy Refinishing!
> Mel Miller
> M725
> McCain for President!
>
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This archive was generated by hypermail 2b29 : Thu Mar 02 2000 - 22:30:41 PST