Steve Lusardi wrote:
I don't know about your microballoons, but my microbaloons are glass, not
plastic.
Steve

You can get them in glass, thermoset urethane or phenolic.

Also phenolic is a thermoset plastic. Laser toner is thermoplastic
microSPHERES. Not balloons.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com