ceramic: glaze recipes: raku

raku glaze	lleadless clear
temperature = ^08-05	colemanite	84
surface = gloss/semi gloss	kentucky ball clay	8
fluidity = some	tin oxide	8
stains show = yes		100
opacity = transparent
oxidation = clear
reduction = clear

DNote: some cracks

raku glaze	lleadless frit
temperature = ^010-08	frit 5301	79.2
surface = semi gloss	borax	9.9
fluidity = some	epkaolin	5
stains show = yes	tin oxide	5
opacity = translucent	bentonite	.9
oxidation = slight whitish		100
reduction = slight whitish

raku glaze	lleadless white
temperature = ^07-04	colemanite	51
surface = semi gloss	kaolin	34.3
fluidity = little	flint	14.7
stains show = darks		100
opacity = translucent
oxidation = white
reduction = white

DNote:

DNote:

DNote: some cracks

raku glaze	lcrackle white
temperature = ^04	colemanite	48
surface = semi gloss	soda feldspar	25
fluidity = little	barium carbonate	12
stains show = darks	zircopax	10
opacity = opaque	flint	5
oxidation = white		100
reduction = white

DNote: cracks

raku glaze	lcrackle white II
temperature = ^05-04	colemanite	40
surface = semi gloss	nepheline syenite	40
fluidity = little	soda feldspar	14
stains show = darks	zircopax	6
opacity = opaque		100
oxidation = white
reduction = white

DNote:

raku glaze	lcobalt blue
temperature = ^08-06	colemanite	70
surface = gloss	borax	10
fluidity = some	zircopax	10
stains show = darks	ball clay	9
opacity = translucent-thin opaque-thick	cobalt	1
oxidation = light blue		100
reduction = medium blue

DNote: mix well and apply evenly

raku glaze	llithium blue
temperature = ^017-014	colemanite	50
surface = matt	soda feldspar	25
fluidity = little	lithium carbonate	23
stains show = yes	copper carbonate	1
opacity = transparent	tin oxide	1
oxidation = med turquoise		100
reduction = turquoise

DNote: cracks

raku glaze	lcopper luster
temperature = ^08-06	frit #25	40
surface = gloss	colemanite	35.5
fluidity = some	borax	10
stains show = yes	flint	10
opacity = transparent	red copper oxide	2.5
oxidation = lite turquoise	tin oxide	2
reduction = green with red copper luster		100

DNote: cracks

raku glaze	lgrass green
temperature = ^010-08	colemanite	48
surface = gloss	borax	42
fluidity = fluid	red copper oxide	6
stains show = yes	rutile	4
opacity = transparent		100
oxidation = grass green
reduction = opaque copper luster

DNote: some cracks

raku glaze	lleadless green
temperature = ^013-010	colemanite	44
surface = gloss	borax	43
fluidity = fluid	red iron oxide	8
stains show = darks	black copper oxide	5
opacity = translucent		100
oxidation = dark green, marbled
reduction = opaque copper luster

DNote: cracks

raku glaze	llight tan
temperature = ^05	colemanite	50
surface = gloss	red clay	20
fluidity = some	soda ash	20
stains show = yes	nepheline syenite	10
opacity = transparent		100
oxidation = lite tan
reduction = grayed tan

raku glaze	white crackle III
temperature = ^08	frit 3124	77.3
surface = semi-gloss	ball clay	6.8
fluidity = little	whiting	6.8
stains show =	tin oxide	9.1
opacity = opaque		100
oxidation = white
reduction = white

 

fired to cone 08 in approx. 30 minutes, removed from kiln, oxidized in ambient temp of approx 40°F for 5 seconds, reduced in newspaper for 7 minutes, quenched in 40°F water for 5 seconds, allowed to cool at 40°F, black ink rubbed on then off

DNote: cracks

you can click these test tiles to navigate the recipes that have been tested and documented by Glowinghand Arts, more will be added soon.

 

raku glaze	copper crust
temperature = ^08	frit 3124	82.4
surface = mixed	ball clay	7.3
fluidity = little	whiting	7.3
stains show =	black copper oxide	3
opacity = opaque		100
oxidation = more greens
reduction = more reds

fired to cone 08 in approx. 30 minutes, removed from kiln, reduced in newspaper for 7 minutes, quenched in 40°F water for 5 seconds, allowed to cool at 40°F

DNote: copper when thin, gets crusty and blue-green when thick

 

raku glaze	velvet green
temperature = ^08	frit 3124	84.4
surface = velvet texture	ball clay	7.4
fluidity = little	whiting	7.4
stains show =	chrome oxide	0.8
opacity = opaque		100
oxidation = green
reduction = green

fired to cone 08 in approx. 30 minutes, removed from kiln, reduced in newspaper for 7 minutes, quenched in 40°F water for 5 seconds, allowed to cool at 40°F

DNote: patina green when thin, velvet texture increases thicker

 

raku glaze	olive gold
temperature = ^08	frit 3124	84.5
surface = velvet texture	ball clay	7.5
fluidity = little	whiting	7.5
stains show =	potassium dichromate	0.5
opacity = opaque		100
oxidation = gold and green
reduction = green and gold

fired to cone 08 in approx. 30 minutes, removed from kiln, reduced in newspaper for 7 minutes, quenched in 40°F water for 5 seconds, allowed to cool at 40°F

DNote: mix well, apply thin and even for smoother texture

 

raku glaze	copper sand
temperature = ^06	gersley borate	80
surface = sandy	bone ash	20
fluidity = little	copper carbonate	5
stains show =	cobalt carbonate	2.5
opacity = opaque		107.5
oxidation =
reduction = full spectrum

fired to cone 06 in approx. 45 minutes, removed from kiln, reduced in newspaper for duration of cooling

D

 

raku glaze	copper luster I
temperature = ^06	gersley borate	80
surface = gloss to metallic	nepheline synenite	20
fluidity = little	copper carbonate	10
stains show =	red iron oxide	5
opacity = translucent		115
oxidation = greens
reduction = polished copper

fired to cone 06 in approx. 45 minutes, removed from kiln, reduced in newspaper for duration of cooling

D

 

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