Nev
I have another trick which works for me. I mix in colloidal silica. Try
this, mix up the Expancell then add a little Cabosil..Then you can add
another pile of Expancell to get back to the same consistency. The
Cabosil makes it spread easier. It does NOT affect the sandability.
Then I spread it on over a pair of strimmer lines, remove the strimmer
lines and after 15 minutes careful spread again to flatten the tramlines
and its done. Controled thickness, and thick enough to not need any more
filling. The Cabosil seems to lubricate the Expancell so it spreads easy.
Probably the reason my stripes were hard and soft is that the sanded
surfaces absorbed resin from the next ;layer of filler and went hard.
Superfil doesn't do that for some reason, maybe it has talc in it?
Graham
NevEyre@aol.com wrote:
> Hi Jack / All,
>
> If the Expancell / Epoxy is mixed runny enough to be combed on, it
> will be too heavy, and much harder to sand.The Expancell mix should be
> almost like bread dough to put on.... a real bugger to put on.... and
> impossible to get on smoothly / thin. As mentioned before on here,
> fill too proud ONCE, it will sand like dense balsa.... if you have to
> go back for a second fill you may end up with different densities...
> which as Graham mentioned, will sand away at different rates. If you
> managed to comb it on, you will end up with stripes, if you have to
> fill an area, you will get a ''tide mark''.
>
> Nev.
>
>*
>*
>
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