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some gb free raku glazes

updated tue 11 apr 00

 

Deborah B. on mon 10 apr 00

To whom ever was looking for some Gerstley Borate Free Raku glazes, here's a
few. Never tried them however. So your on your own.

YELLOW (Adele Zimmerman)
Frit 3134 80
borax 10
EPK 10

Add to Base
Vanadium stain 6%

YELLOW
Frit P-25 36
Frit 3134 28
Kaolin 8
Flint 12

Add to Base
Lithium Carbo 8
Potassium Bichromate 1

MATT WHITE CRACKLE
Frit 3195 65
Feldspar 20
Kaolin 5
Whiting 10

WHITE
Frit 3195 90
Feldspar 10
Ball Clay 5

RED RAKU (from Ken Vavrek)
Neph Sye 30
Frit 3230 20
flint 20
Frit 3191 20
Whiting 5

Add to Base
Tin oxide 5%
copper carbo 3%
RIO .5%
Bentonite 1%
to produce a good red, this glaze needs to be reduced int he kiln first and
then reduced again in post firing.

WHITE
frit P-25 36
Frit 3134 28
Kaolin 8
flint 12
Lithium carbo 8
Opax 10

WHITE CRACKLE
Frit 3195 75
Feldspar 25

RICK'S WHITE CRACKLE
Potash feld 33.5
Frit W-15 41.5
Barium carbo 14.0
Flint 11.0


CLEAR BASE
Frit P25 43.6
Frit 3134 26.3
Lith carbo 9.9
Kaolin 10.2
Flint 14.0

MCGUIRE MATT WHITE
Petalite 55
litium carb 22.5
Flint 15.0
EPK 12.5

NELSON LITHIUM BLUE
Lithium carb 23
Kaolin 16
Flint 58
Bentonite 3
Copper Carb 4

GOLD/SILVER
Frit 3134 90
EPK 10
Silver nitrate 1
Zircopax 6

COPPER WASH
copper carb 90
Frit 3110 10

ZURKO DRY MATT
Ball clay 11
Neph sye 5
Talc 35
Frit 3110 57
Bentonite 2

Hope they help
Deborah

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