Gee, I can't guess where i might find them at lower cost and with the
specific gravity data I so desperately need. Anybody got an idea?

"Paul Oman" wrote in message
...
wrote:

Welcome to the world of 'fillers'.

See:
http://www.fiberglasssupply.com/Prod...s/fillers.html

for a pretty good basic introduction.

MW
Los Angeles

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wow! they are expensive at that site and they don't even tell you the
specific gravity of the microspheres (yes, microspheres come in
different sizes). Let the buyer beware!

paul oman
progressive epoxy polymers


--


"Living on Earth is expensive, but it does include
a free trip around the Sun every year."


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