Donn Buchfinck on mon 23 nov 98
hares fur & oil spot
Looking for information on these glazes.
and recipes
all help would be appreciated
I fire to c10
in reduction
I want to put the glazes on bowls
thanks
Donn Buchfinck
San Francisco
Judith Enright on tue 24 nov 98
>----------------------------Original message----------------------------
>hares fur & oil spot
>Looking for information on these glazes.
>and recipes
>all help would be appreciated
>I fire to c10
>in reduction
>I want to put the glazes on bowls
>
>thanks
>
>Donn Buchfinck
>San Francisco
Here's an Oil Spot for ^9, although I've taken to ^10 and its gorgeous.
I've fired this in oxy, and don't know how it'll look in redux. From Greg
Daly's Glazes and Glazing Techniques:
Potash (Custer) Feldspar 40
Whiting 10
Talc 10
Silica 30
Kaolin (I use EPK) 10
Add: Iron Oxide (I use RIO) 10
Apply thickly (1/8" to 1/4"). Best dipped for even coverage.
Good luck!
David Hewitt on wed 25 nov 98
I have had very good results with the following recipe in producing Oil
Spot. fired to cone 9 on porcelain in oxidation. Reduction is not
necessary for Oil Spot.
You can get some idea of what I get from the pictures on my web site.
Click on Oil Spot.
I have nothing to offer on hares fur.
If you do try this recipe, I would appreciate it if you were to let me
know what materials you use, your firing details and the results you
get.
Oil Spot recipe ref:- HAE8
Nepheline Syenite 150
China clay 350
Whiting 80
Talc 80
Quartz 340
Red Iron Oxide 80
____
1080
My analysis of his recipe is:-
K2O .04 Al2O3 .98 SiO2 6.15
Na2O .14 Fe2O3 .29
CaO .46
MgO .36
Apply the glaze thickly. Fire to cone 9 oxidation and soak for 15 to 30
minutes.
Precise firing will no doubt depend on your particular kiln, its size,
rate of temperature climb at top temprature etc., but I am sure you will
know about all this and the differences you can get between one kiln and
another. The firing is important to produce good oil spots. The results
I have shown have been produced in a small electric kiln, a Cromartie
CTL75 on Potclays 1149 porcelain.
In message , Donn Buchfinck writes
>----------------------------Original message----------------------------
>hares fur & oil spot
>Looking for information on these glazes.
>and recipes
>all help would be appreciated
>I fire to c10
>in reduction
>I want to put the glazes on bowls
>
>thanks
>
>Donn Buchfinck
>San Francisco
>
--
David Hewitt
David Hewitt on fri 27 nov 98
In message , David Hewitt writes
>----------------------------Original message----------------------------
>I have had very good results with the following recipe in producing Oil
>Spot. fired to cone 9 on porcelain in oxidation. Reduction is not
>necessary for Oil Spot.
>You can get some idea of what I get from the pictures on my web site.
>Click on Oil Spot.
Sorry I forgot to include my web site address in my signature.
http://www.dhpot.demon.co.uk
>I have nothing to offer on hares fur.
>If you do try this recipe, I would appreciate it if you were to let me
>know what materials you use, your firing details and the results you
>get.
>
>Oil Spot recipe ref:- HAE8
>
>Nepheline Syenite 150
>China clay 350
>Whiting 80
>Talc 80
>Quartz 340
>Red Iron Oxide 80
> ____
> 1080
>
> My analysis of his recipe is:-
>
>K2O .04 Al2O3 .98 SiO2 6.15
>Na2O .14 Fe2O3 .29
>CaO .46
>MgO .36
>
>Apply the glaze thickly. Fire to cone 9 oxidation and soak for 15 to 30
>minutes.
>Precise firing will no doubt depend on your particular kiln, its size,
>rate of temperature climb at top temprature etc., but I am sure you will
>know about all this and the differences you can get between one kiln and
>another. The firing is important to produce good oil spots. The results
>I have shown have been produced in a small electric kiln, a Cromartie
>CTL75 on Potclays 1149 porcelain.
>In message , Donn Buchfinck writes
>>----------------------------Original message----------------------------
>>hares fur & oil spot
>>Looking for information on these glazes.
>>and recipes
>>all help would be appreciated
>>I fire to c10
>>in reduction
>>I want to put the glazes on bowls
>>
>>thanks
>>
>>Donn Buchfinck
>>San Francisco
>>
>
>--
>David Hewitt
>
--
David Hewitt
David Hewitt Pottery ,
7 Fairfield Road, Caerleon, Newport,
South Wales, NP6 1DQ, UK. Tel:- +44 (0) 1633 420647
FAX:- +44 (0) 870 1617274
Own Web site http://www.dhpot.demon.co.uk
IMC Web site http://digitalfire.com/education/people/hewitt.htm
Ron Roy on tue 1 dec 98
This appears to me to be durable at cone 9 or 10 in both oxidation and
reduction - RR
>Here's an Oil Spot for ^9, although I've taken to ^10 and its gorgeous.
>I've fired this in oxy, and don't know how it'll look in redux. From Greg
>Daly's Glazes and Glazing Techniques:
>
>Potash (Custer) Feldspar 40
>Whiting 10
>Talc 10
>Silica 30
>Kaolin (I use EPK) 10
>
>Add: Iron Oxide (I use RIO) 10
>
>Apply thickly (1/8" to 1/4"). Best dipped for even coverage.
Ron Roy
93 Pegasus Trail
Scarborough, Ontario
Canada M1G 3N8
Tel: 416-439-2621
Fax: 416-438-7849
Web page: http://digitalfire.com/education/people/ronroy.htm
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