IME, you don't have to do anything to it. All the purpleheart I've ever used
has been brown when freshly cut, and turns a bright purple within a few days
of exposure to the sun. Keeping it purple just isn't a problem.
Doug Miller (alphageek-at-milmac-dot-com)
On Fri, 24 Oct 2003 01:41:36 GMT, spam email@example.com (Doug Miller)
My experience has been different from Doug's. Like Doug says, it was
brown when freshly cut, but turned purple in a dark, unheated (1)
gar^H^H^H shop in a few days. Other pieces that exposed to indoor
light also turned purple. Some scraps that were left on a window sill
in my solarium turned brown on the side exposed to the sun & remained
purple on the other side. Go figure??
Anyone with a real answer as to what makes purpleheart purple? What
are the real variables: light, UV, air or oxygen, temperature, wood
I finished the purpleheart & poplar bookcase I made with exterior
water-base poly (Sorry Larry, but I wanted the cold colour & UV
protection). The colour hasn't changed detectably in the year is has
been in my LOML's fluorescent lighted office.
Replace "no" with "yk" for real email address.
(1) This is not a wimpy southern "cold" like Silvan whines about --
this is a workshop in the Yukon winter, with temperatures going down
to 40 below. ;-)
Replace "no" with "yk" twice
in reply address for real email address
+ + +
Actually the question at hand is, what makes the purple color break down?
Or, on a practical note what will stop this breakdown..
Word is that the right finish will do this.
Also, not exposing it to sunlight will help.
PS. the wood is called "purpleheart"
A "purple heart" also exist but is not store-bought.
there are several species called PurpleHeart, all of them are purple
at some point in the machining process.
some of the stuff i have worked with is deep purple right after
machining, and some is brown and gets purple after working it.
some turns brown after time, and some gets more purple.
its a crap shoot, from what i have run into, as to what you are going
to get when you buy it. . .
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