Clay Craft

Saturday, April 12, 2008

Re: Hambones Bristol Nuka & Garth Clark Brown, cone 8 electric

On 4/12/08, Eric Hansen wrote:
> Hambones Bristol Nuka, cone 8 electric
> 1 Agrilectric MaxFlo Grade 4 (>140 microns) rice hull ash
> 1 North Carolina mixed wood ash, unwashed
> 1 g-200 feldspar
> + 3% bentonite
> + 3% zinc oxide
>
> Garth Clark Brown, cone 8 electric
> 50 North Carolina mixed wood ash, unwashed
> 50 Cedar Heights Red Art Clay
> + 5% Black Iron oxide
>
> I liked the interaction of the 2 glazes. The best example of the nuka
> glaze was over the lowest iron content in the porcelain. In general
> the zinc wasn't a big help, in fact it promotes a sand paper feeling
> texture. I was expecting a matte opaque with crawling, what I got was
> a clear with patches of gloss and matte alternating, pooling glossy in
> the bottom.
>