Glassing pinblocks

[sarahdfox@columbus.rr.com]

Hi all,

I was thinking about this polyester resin vs. epoxy thing, and it occurs to
me that polyester resin often ends up with traces or pockets of glycolic
acid, which could corrode the tuning pins.  I've done enough work on
fiberglass boats (polyester resin construction) to know how nasty that
glycolic acid can be.  And it sticks around forever, rotting hulls from the
inside out.  I recently finished ridding the hull of one boat of some of
its circa 1977 glycolic acid (which created osmotic blisters, for those of
you who know what that is).

I would think epoxy would be much kinder and gentler to the tuning pins. 
But of course it releases oils after it cures.  So perhaps there's a
problem there, too?

Peace,
Sarah


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