Bone China ?
Hi, I am currently making porcelain jewelry. I have been using P300 - fired at cone 7, but I not only find that it comes out gritty, but not as white as I would like.
I am interested in looking into bone china for making my jewelry, but have been having trouble finding information on it - is it a clay that you can buy, or do you need to make it yourself?
I live in Vancouver btw, so unless I order online, my clay choices are limited.
Hi Corinda
Below are the 2 recipies I used at college given to me by my lecturer but they were not his original formulas. Formulas are given in books 'Slipcasting' by English potter Sasha Wardell and 'Contemporary Porcelain' by Peter Lane when discussing the work of Australian potter Sandra Black
Synthethic bone ash 45
Cornish stone 30
China clay 25
OR
Synthetic bone ash 45
China clay 30
Potash feldspar 25
to make it into a casting slip add 0.4% Dispex; to attempt a