[TheForge] RE: Permalac

[Woolley]

Grant,

"One Step" is a brand name?

Bill Woolley







Grant Marcoux wrote:
> I think the reaction is Ferric oxide (red?) to Ferric nitrate (black?)
> Anyway, the stuff works....paint on one coat, allow to work for 20 minutes.
> Add another coat and allow to work for 24 hrs.  A rich, deep black is
> produced, with no ash.  You can Permalac over this surface nicely.   Grant
>
> -----Original Message-----
> From: theforge-bounces at mailman.qth.net
> [mailto:theforge-bounces at mailman.qth.net]On Behalf Of Mike Spencer
> Sent: Thursday, May 17, 2007 10:57 AM
> To: theforge at mailman.qth.net
> Subject: [TheForge] RE: Permalac
>
>
>
>   
>> Permalac may be applied over "1-step" rust converter.
>>     
>
> Okaayyyy, so what exactly do these "rust converter" products do?
>
> Given how many $$ and hours the metal and paint industries put into
> coping  with rust, they sound like snake oil to me.  I have an aerosol
> can of one brand that I've dicked around with a bit without learning
> much. Yes, the red stuff turns black.   And?
>
> So what's the chemistry?  Fe+++ -> Fe++?  What happens at the surface
> the base metal underneath?  To the water of hydration in the red rust?
> What what?
>
>
> - Mike
>
> --
> Michael Spencer                  Nova Scotia, Canada       .~.
>                                                            /V\
> mspencer at tallships.ca                                     /( )\
> http://home.tallships.ca/mspencer/                        ^^-^^
>
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