Does it speed up the curing process by exposing to sunlight (UV
radiation)? Will it hurt if I do this?

On 7 May 2007 08:36:58 -0700, Todd the wood junkie
wrote:

Does it speed up the curing process by exposing to sunlight (UV
radiation)? Will it hurt if I do this?


UV ids the enemy of finishes - speeds yellowing/oxidation

On May 7, 11:36 am, Todd the wood junkie
wrote:
Does it speed up the curing process by exposing to sunlight (UV
radiation)? Will it hurt if I do this?

Yes. Works fine for the odd utilitarian piece, leaving them out
in direct sun for a few hours at a time. Sure helps cook the
solvents out of the finish, and makes pieces suitable for indoors
use in a few sunny days, max.

J

Todd the wood junkie wrote:
Does it speed up the curing process by exposing to sunlight (UV
radiation)? Will it hurt if I do this?

It "cures" by evaporation. Putting it in the sun heats it and speeds
evaporation. Doing so could also create bubbles. I'd not do it.

--

dadiOH
____________________________

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dadiOH wrote:
Todd the wood junkie wrote:

Does it speed up the curing process by exposing to sunlight (UV
radiation)? Will it hurt if I do this?


It "cures" by evaporation. Putting it in the sun heats it and speeds
evaporation. Doing so could also create bubbles. I'd not do it.


Polyurethane is a reactive finish that "cures" by reacting with oxygen
causing a chemical change. It's the reason that once "cured" it can't
be redissolved. Sunlight will speed up the evaporation of the "carrier"
but that's about it.

--
Jack Novak
Buffalo, NY - USA

Mon, May 7, 2007, 8:36am (EDT-3)
(Todd*the*wood*junkie) doth mumble:
snip Will it hurt if I do this?

If it's real heavy, yes.

By the way, how did you figure on getting the sun toshine on every
side, turntable?



JOAT
What is life without challenge and a constant stream of new
humiliations?
- Peter Egan