by

SORRY – I have just seen my last entry with the recipes all oddly spaced. Not very helpful, so I am trying again just the recipes this time.

LITTLE SELECTION OF SLIPS FOR SALTGLAZE

Any oxide, or mixture of oxides, or any glaze or body stain (or their mixture) may be used in saltglaze slips, with interesting results.

Dry Oranges, Yellows and pinks

Try: Mixtures of various Ball clays and China Clay.

Good results – for example:

AT Ball Clay. 20

China Clay     80

————————-

AK Ball Clay  40

China Clay     60

————————-

SMD  Ball Clay   50

China Clay          50

————————-

Porcelain          75

China Clay        25

————————-

Fireclay         20

China Clay     80 (fierce orange)

————————-

Porcelain Clay 20

China clay 10

Tin oxide 3

————————-

Porcelain Clay 98

Illmenite 2

————————-

Browns:

Shiny Brown: Red Clay  50

BBV Ball Clay 40

Flint 10

Experiment with Red Clay and China Clay mixtures + Iron oxide.

Pure White slip:

Hyplas 71 ball clay 25

China Clay       25

Flint 35

Cornish stone 15

Rich  Glossy or Fluid Oranges

AT Ball Clay 60

Potash Feldspar 20

Whiting 10

Flint 10

Rutile 10

Red Iron Oxide 5

————————-

SMD Ball Clay 75

Grolleg 25

Vanadium Pentoxide 15

Titanium dioxide 10

Tin Oxide 10

————————-

AT Ball Clay 63

Nepheline Syenite 32

Flint 5

Zirconium Silicate 5

Titanium dioxide 10

————————-

Base slips for colorants to be added

China Clay              30

SMD ball clay         40

Flint                         15

Nepheline Syenite         15

————————-

Nepheline syenite 50

Hyplas 71 Ball Clay 50

Colorants:

8% Rutile – pearl – tan

5% Titanium dioxide – pearl

0.5 %-3% Cobalt Carb. – blue

6% Rutile + 3% Cobalt – green

6% Manganese dioxide. – brown

!0% commercial stain can be added to the recipe

To encourage break up in salt glaze as used by Daniel Boyle

Vanadium Base slip

China Clay 55

Potash feldspar 25

Quartz 15

Bentonite 5

Vanadium Pentoxide 10

————————-

Top slips

China Clay 17

Ball Clay 19

Flint 24

Nepheline Syenite 31

Standard Borax frit 9

Titanium Dioxide 9 for moonshine white

Or

Cobalt Carbonate 3 for blue

Raw Lining Glazes

Nepheline syentie 1

Soda Feldspar 1

AT Ball clay 1

————————-

Nepheline syenite 33

AT Ball Clay 33

China Clay 33

————————-

Potash feldspar 1

Cornish Stone 1

Hyplas 71 Ball clay 1

————————-

I hope that this is clearer

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