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Ted wrote:
> I've a question some of you Epoxy builders might know. Is Cotton
> Flox okay to use as a structural filler in vinyl ester resin?. And if
> so, why is it not called for to be used in it? Mostly, micro balloons,
> cabosil, and milled fibers are used in vinyl ester, but in epoxy they
> use cotton flox. I can think of a few uses where cotton flox would be
> nice to use. I am just cannot find any info say whether or not it's
> compatiable with vinyl ester resin.
In epoxy adhesive, cotton flox is used to thicken the uncured adhesive
(to keep it from running). Microballoons are used to maintain some
separation between the mating surfaces (mostly so the adhesive is not
completely squeezed out but sometimes to prevent contact between
dissimilar metals). I suppose either is useful for thinning the
adhesive if bond strength is not critical.
I realize this doesn't address your question about vinyl ester, just
some of the reasoning behind epoxy. Hope that helps a little...
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