I've never worked with or even seen the microbaloons used as filler in
resins on boats, but I've heard they are tiny clear plastic spheres. The
toner used in photocopiers and computer printers is also tiny plastic
spheres (to print they are melted into the paper). I was wondering if
laser toner could be used to thicken the resins. Laser toner, being
produced in large volumes would probably cost less than microbaloons. Just
a thought.


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