I'll have to look into Microballoons or Q cell. I liked the ash
because it was very cheap (.15 a pound) and I saw increases in tensile
strength. I think a coupling agent is bonding the ash to the epoxy.
http://www.mcmc-
As for the weight of the foam, at 170 kg/m^3 the foam seems to perform
close to core-cell. I've seen better performance with the ash and
short carbon fiber filler. If cost was no object I would probably go
for a SAN foam, but this stuff seems to have a pretty good bang for
the buck.
--- In harryproa@yahoogrou
>
> G'day,
> Where are the properties of the epoxy foam you are referring to?
> Microballoons or Q cell will give a lighter end product than the fly
> ash.
>
> regards,
>
> Rob
>
> On Sun, Apr 20, 2008 at 6:14 AM, captian_rapscallion
> <captian_rapscallio
> >
> >
> >
> >
> >
> >
> > --- In harryproa@yahoogrou
> >
> > I realize most boatbuilders use vinylester, but it is actually
cheaper
> > for me to buy epoxy vs. vinylester. I can't get vinylester for under
> > 50 bucks a gallon, but I can buy epoxy for that.
> >
> > Take a look at the physical properities on the SC epoxy foam. Looks
> > pretty good compared to core cell.
> >
> >
>
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