Disclaimer: I have never worked with either type of resin...
For a recent project for my wife's birthday, a friend of hers wanted me to make some coasters with an clock design. I remember years ago when I was a kid, there was some kind of resin? kit that was sold to encapsulate bugs or whatever - you could make a paperweight or...
Anyway I started thinking about that and ran across this product in the craft/floral department. It's marketed as "Acrylic Water Kit". It's designed use is for making artificial floral arrangements that appear to be in water.
I used it for the coasters, routing out a circle about 3/16" deep into 4" square pieces of bamboo. I then glued a picture of a clock face into the bottom and mixed the "Acrylic Water". It comes in two bottles, each 4 ounces. One is labeled "epoxy" and the other is labeled "hardener". It says it has a cure time of 24-48 hours. I coated the coasters entirely, filling the rest of the routed void.
24 hours later, it was still very sticky/tacky, and the top of the thicker part was forming kind of a "skin". I was trying this in my unheated garage to hide them. I then moved them into the house and they cured solid over the next 24 hours.
Longwinded way to get to my question - Is this fiberglass epoxy, or some other animal completely? My online research
http://tinyurl.com/yfktkss would seem to point to epoxy vs polyester as this product uses a 1:1 mixing ratio.
Seems to be an extremely strong product - I had a hard time prying it loose from the metal angle edges I had it sitting on to cure.
It's only $7 for a total of 8 mixed ounces. While that may be more expensive (per ounce) than buying a well known brand of epoxy, it might be a viable alternative for someone needing just a small amount...
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