Chris Johnson on thu 29 oct 98
Does anyone know why the copper iridescence goes away after a few weeks of
exposure to air? It seems moisture in the air has something to do with the
disappearance of the wonderful rainbow colors we get after a really good
reduction firing...
An answer right away from someone would greatly be appreciated, as we are
about to do a firing in a couple of days. Also, if a sealer is suggested,
which one would you recommend?
Chris Johnson,
Laurie Savage
E-mail: ChrisPots@aol.com
D. McDysan on sat 31 oct 98
I'm glad you brought this up because I was looking at some raku pieces I
made a few years ago and they don't look anything like they did when I
fired them. In fact, they look awful (:~( I remembered that James
Watkins said something about this when I attended his workshop, so I
found in my notes that he uses a product called Jasco tile sealer on
pieces with heavy reduction to preserve the color. Since James has
awesome work in some prestigious collections, I'm sure this is a good
idea.
I would encourage anyone who is selling raku to seriously consider using
some kind of sealer because I see a lot of work out there that looks
beautiful enough to entice people to buy and I know they will be
disappointed when the flash fades. Paying attention to this detail will
raise your level of professionalism and thoughtfulness toward your work.
What is Kuroka Raku?
Debbie McDysan
John Serrian on sun 1 nov 98
I installed a 4 ax5 foot raku tiled sculpture with pacman raku glaze....
great colors, yes the air causes oxidation.......This piece is on a lani on a
condo on the beach......talk about fresh air......In any case I sprayed it
with krylon clear acryllic, it dullled the colors a bit, but two months later
I
still have some interference colors, actually just like it was when Isprayed
it....
It is all I know about right now, if you hear of a better treatment, let me
know....J
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