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Subject: Re: LPKF and Z axis

From: Alan Marconett KM6VV <KM6VV@...>
Date: 2002-05-25

Hi Hans,

Thanks for the URL. All you ever wanted to know about plastics!

Alan KM6VV

HW wrote:
>
> I just checked out a whole bunch of this kind of material and using
> this size for comparison 12"x12"X0.25"
> prices range from $6.00 to $600.00
>
> http://www.interstateplastics.com/fmabout.htm
>
> Examples:
> Pomalux $14.39
> Delrin $15.75
> Lenite $6.04 It's Polyethylene but easy to machine and may be stable
> enough to hold PCB's for milling.
>
> Hans W
>
> Alan Marconett KM6VV wrote:
>
> > Hi John,
> >
> > Yeah, UMB is like nylon. It would be a good surface to work on.
> > There
> > is also that dense foam I mentioned, another TLA (three letter
> > acronym)
> > that I still can't recall. UWF??
> >
> > Alan KM6VV
> >
> >
> > crankorgan wrote:
> > >
> > > Hi Alan,
> > > One of my customers was making things out of a
> > > cutting board. Seems some of them are white UMB plastic.
> > > UMB acts like nylon. I think it's UMB? So many letters
> > > to remember. RCA-JVC-PVC-TRW-ETC.
> > >
> > > John