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Old Jan 04, 2009, 11:52 PM
johnsocj is offline
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Los Angeles, CA
Joined Jun 2004
200 Posts
Poly Resins are dinosaurs. Forget about them. The catalysts (MEK) are more hazardous, the resin smells horrible, and are not as stable in the sunlight. (I might have that last one backwards)

What they are for- is for fiberglass mat. Epoxy resins will not disolve the glues that hold the mat together, and will not allow it wet and relax to the complicated shapes that you use mat for. No one on these forums uses glass mat.

I don't doubt that ARF manufacturers would use polyester resins to cut cost. Remember that those folk are also (probably) in industrial areas with the facilities to deal with this trash. Then again, they may just be poisoning themselves...
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