Epoxy vs. Polyester

[Paul Chick (Earthlink)]

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Thanks, Del.  This explains why I saw a cedar strip canoe being varnished
over the epoxy and fiberglass lay up.  The piano needs part of the case
repaired.  The epoxy lay up will do the trick. I'll check with a reputable
paint dealer for the best finish.

 

Paul C

 

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From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
Of Delwin D Fandrich
Sent: Wednesday, July 27, 2005 9:25 AM
To: 'Pianotech'
Subject: RE: Epoxy vs. Polyester

 

Ultra-violet light breaks down epoxy. If you are going to use it where it
will be exposed to sunlight you need to protect it with some finish material
that contains UV blockers. This can be a colored finish such as black
lacquer or a clear exterior grade lacquer or varnish that contains the
necessary UV blockers.

 

Del

 


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From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
Of Paul Chick (Earthlink)
Sent: July 27, 2005 5:51 AM
To: Pianotech@Ptg.Org
Subject: Epoxy vs. Polyester

List Members:

Does anyone know or have experience with epoxy as a coating verses polyester
as a coating.  It's for a piano that sits outside during the summer months
(long story).

I've worked with polyester for years and know how it holds up.  But don't
know how epoxy will hold up in sunlight.

 

Paul C


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