The Glaze Page
Raku
Glazes by Irene Poulton |
Earthenware Glazes | Midfire Glazes
| Stoneware Glazes | Toxic
Materials Database | Frits
Substitution Chart | Disclaimer
Raku & Black
Fire Glazes
Metallic Copper
Cone 06
Raku Reduction
Copper Carbonate
Ferro Frit 4110
Kaolin
Frit 4064 (Toxic!) |
80.0
16.0
11.0
3.0 |
Comments: beware of lead toxicity! Bisque with glaze
to 1000 C, then raku to 850 - 880 C.
Not suitable for tableware!
DRY ALLIGATOR
Raku Reduction
Gerstley Borate
Nephelene Syenite
Bone Ash
Copper Carb |
52.5
12
23.5
12 |
Not suitable for tableware!
Copper Lustre
Raku Reduction
Gerstley Borate
Cornwall Stone
add Copper Carb
Red Iron Oxide |
80
20
3
1 |
Comments: Here are a couple of tried and true glazes
for raku. Not sure at what temperature they mature; we just pull 'em out
when the surface looks melted.
Not suitable for tableware!
Supplied by a US subscriber.
Salvatoris Rusty
Red Black Fire Glaze
Copper Carbonate
Borax
Sodium
Bicarbonate
Cobalt
Carbonate |
60.0
40
40
5.0 |
Comments:
- Bisquefire work to 1100o C
- Mix glaze same day as firing
- Apply glaze thickly
- Dribble glaze on thickly for effects
Check out the Black Firing Tips
& Tricks Page!
Disclaimer:
It is the responsibility of anybody using the supplied glaze recipes to
be informed of glaze dangers and to ensure the proper safety precautions
are met when mixing and using glazes. In general glaze components marked
'toxic!' should not be used for tableware. Othert unmarked ingredients
may be harmful to health on skin contact or if ingested. Frits may contain
Lead Bisilicate. General safety precautions for ceramic materials apply.
Contact a supplier, lecturer or professional if in doubt. Neither Ceramics
Today nor its Guide Steven Goldate will bear any responsibility for incorrectly
used glazes and/or ingredients, nor for any damages due to unexpected
glaze results. All glazes should be tested before use.
