I like the "3-pins" method of suspension- I may try that.  With this
size, though, I'll have to drill the holes pretty precisely.

Shellac, varnish or enamel are out; they just aren't biocompatible
enough for this purpose.

Mike H.

>Have not coated magnets but on ferrite cores I prefer the old fashion
>Shellac.
>Varnish or Enamel could also be used.
>Best method for a magnet would probably be to poke 3 pins through a playing
>card and let the magnet hold to their points, you could arrange several
>triangles of pins on one card and poke a hole in one corner to attach a 
>wire
>for dipping and hanging-to-dry.
>
>KF4HAZ - Lonnie
>
>----- From: "Mike Hord" <gaidinmd@
>
> > I find myself with a few dozen NdFeB magnets needing a
> > highly biocompatible coating.  I have attempted plating,
> > but it doesn't seem to work too well (I suspect this is due
> > to the boron component, but that's just conjecture).
> >
> > Current ideas include CA adhesive and nail polish; I'm also
> > considering enamel paints for plastic models.
> >
> > The biggest PITA is that these magnets are .5mm square
> > and .2mm deep.  Yes, that is a decimal.  Think "tiny piece
> > of grit" and you'll have the image.  This makes most any
> > methods dodgy, at best, but rules out many options
> > straight away.
> >
> > I guess my hope is that out of the 1800 (?) people on the
> > list, someone will have already gone through a similar
> > trial-and-error process and can save me a little hair pulling.
> > If not, then I'll be the one who knows in the future!
> >
> > Mike H.
>
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