I was experimenting with some air dry clays to choose the best one for my new jewellery collection "Clay and Wire". The most I would like to work with proper porcelain, but first of all I don't have a kiln and don't have an access to any yet and the other thing is that I want combine clay and gold or silver plated wire, so rather not possible to fire the item.
So air dry clay - first I tried Newclay. Not good for my projects at all. It is nice to work with and dried piece keeps shape and details, but it is not strong enough and cracks after even light pressure. And I don't like the greyish colour and visible nylon fibres. Newclay could be fired in a kiln and maybe after that the final product could be better. But I don't have a kiln...
The second clay or material I tried was Sculptamold. I followed the manufacturers rules for mixing (2 part of dry material + 1 part of water) and ended with very soft, sticky paste which probably could be good for filling the mould, but too soft for making any shape. Another disappointment.
The third clay was Art Paper Clay - with 3 parts of dry component + 1 part of water I supposed to get a dough which I could knead, but it was too soft and sticky again, even after the hour or more. Did I something wrong? I will try this material anyway again, maybe changing proportions will help.
So my final clay was home made "cold porcelain" - finally product I like. Smooth, easy to roll and cut and sculpt.
Next experiment will be to use porcelain oven baked paints to colour and glaze my "cold porcelain" jewellery pieces. Fingers crossed...