[TheForge] Re: Pickling solutions

[Charle B Vincent]

That is the whole idea of metal prep as used in the auto business.  It 
forms a paintable haze that supposedly give the paint some tooth to hold 
onto, as well as getting every last rust "seed"     I suppose I could do 
the complete job in phosphoric, but like the immediate gratification of 
sandblast followed by a wipedown with metal prep before painting.  

Charles

Mike Spencer wrote:

>I think
>the acid would have purged the rust pits and the phosphate residue
>would have protected them.
>
>Now I'm going to try damming the rusted areas and pickling or maybe
>eletro-pickling just those areas.  The hope is that the acid will get
>into the tiny pits that eluded the glass bead and that subsequent
>gunblue will even out the color.
>
>
>
>- Mike
>
>  
>