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post #35 of Old 12-28-2012 Thread Starter
PorFin
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Re: Perkins 4.108M DIY Rebuild -- A Narrative

Quote:
Originally Posted by erps View Post
I've seen the term soda blasting come up from time to time on Sailnet. I am a little embarrassed to admit that I don't know what that is. Is baking soda used instead of silica as the abrasive?
Exactly that -- the soda's a much less aggressive media; works well on softer surfaces like aluminum and (for bottom paint stripping) gelcoat.
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