[TheForge] finish help

Fri Jan 11 07:21:00 2002

So, it's similar to the spray galvanizing paints except that it's a powder 
coating galvanizing as opposed to a hotdip or electoplating?

How, if you know, would the powder coating hold up if applied to something 
that was hotdipped or electroplated with zinc?

Dave

At 18:07 01/08/02 -0500, you wrote:
>for powder coating they use a dry particle zinc.... (gets put on using the
>same process as the coat, it is aerated near a charged piece and gets pulled
>to the piece by the charge.......) then they bake it and it sets........
>the zinc layer is thicker than the coat layer and if you have very fine
>detail you will lose some........ but on a furniture scale this is
>negligible......
>i would figure that spray galvanizing (from a can) would not work well.....
>any solvent left under the surface would boil out during the bake and cause
>blemishes in the finish coat.......
>
>guess i'm up to 4 pennies now ;-)
>
>jon p
>
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]]On Behalf Of Dave Brown
>Sent: Tuesday, January 08, 2002 4:25 PM
>To: [email protected]
>Subject: RE: [TheForge] finish help
>
>
>Jon,
>
>Do you know if the spray galvanizing paints qualify, or does it have to be
>a plating or hot dip application of zinc?
>
>Dave
>
>At 16:15 01/08/02, you wrote:
> >i have to say that i would recommend against a powder coat....
> >they really don't hold up that well to higher temp ranges 350f and
> >above....... (these are the temps use to set them)
> >also on steel powder coating without a zinc deposition layer will not
>really
> >give you a good rust proofing (or bond for that matter as rust developing
> >under the coat will peel it like a bananna) the zinc coat would ruin any
> >surface coloring you would have...... (looks just like thick
> >galvanization.....)
> >
> >anywho just my 2 pennies on that one.........
> >
> >jon p
>
>_______________________________________________
>http://mailman.qth.net/mailman/listinfo/theforge
>theforge mail list group photo site is
>http://www.photoaccess.com
>___________
>
>
>_______________________________________________
>http://mailman.qth.net/mailman/listinfo/theforge
>theforge mail list group photo site is
>http://www.photoaccess.com
>___________