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test results ^6 ox & ^10 red - "pinks"

updated sat 31 may 97

 

LizzardOL@aol.com on sun 11 may 97

We had a thread on pink glazes a while ago right about the time I needed a
pink glaze for a fountain I was making. Thought I'd share the results.

Kemp 17 Red/Pink/Mauve
I fired this to cone 6 oxidation in an electric kiln on a white stoneware
(Laguna B-mix). Not nearly as interesting as the name suggests, but it is a
beautiful burgundy, where thin it lets the clay color show through.

Kemp 17:

Neph Syen 16
Whiting 20
Gerstley 21
Kaolin 11
Silica 32
Tin Oxide 5
Chrome Oxide 0.15

Ed's Pink: Also fired this to cone 6 oxidation in an electric kiln on a white
stoneware (Laguna B-mix). Came out a translucent beige. Also tested it on
white stoneware that had RIO painted on underneath - RIO showed through
giving an orange/brown color.

Ed's Pink:

Neph Syenite 32
Zinc Oxide 8
Whiting 24
Silica 24
Kaolin 12
Chrome Oxide 0.25
Zircopax 5
bentonite 1.5
Rutile 6

Powder Box Pink - Also fired this to cone 6 oxidation in an electric kiln on
a white stoneware (Laguna B-mix). Came out a perfect very pale pink - white
where thin. The pink color was significantly enhanced by adding a little
rutile - still a rasonably bright pink.

Powder Box Pink:

Ferro Frit 3134 50
Ball Clay 15
Whiting 5
Flint 25
Tin oxide 7

Ed's pink over powder box pink yielded a darker streaky mauve/pink. Kemp 17
over powder box pink was similar but even darker.

Peach Blossom - fired to cone 10 reduction on white stoneware plain and with
RIO brushed on prior to bisqueing. On the RIO part it came outsemi-gloss
broken pink/mauve/grayish where thick; gray/green where thin. On the part
without RIO it came out cream.

Peach Blossom:

Silica 41.7
Neph Syen 27.6
Gerstley 17.1
Dolomite 12.7
Copper carb 0.3
Yellow Ochre 0.3
Tin Oxide 0.3

Lehman Purple Matt - This was also fired at cone 10 reduction on white
stoneware. Billed as "pretty darn pink!" by Richard Aerni, it came out (for
me) a gloss dark blue-green with broken matt mauve streaks where thick,
similar with more mauve where thin. Very interesting, but I'm afraid I did
something wrong to get such an unexpected effect. I plan to mix a bigger
batch and try again - can't loose either way.

Lehman Purple Matt:

Whiting 24
Custer Spar 61
EPK 15
add:
Chrome oxide 1.0
Cobalt Carb 0.5
Rutile 5.0
Bentonite 4.5