Customer reviews

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I do love this clay as it is so versatile for throwing, building and moulding. I have made mugs, mushrooms and bowls. I've also hand built mice and pair of small swans for a wedding cake topper. I've also used it in a silicone mould to form feathers very successfully. It's very smooth to throw and plastic enough to throw a large thin bowl with the help of a heat gun part the way through to stiffen it a little. It is a much cleaner clay to wedge and throw than most other clays. When you first wire it out of the bag it does seem very stiff but soon loosens up during wedging.(I do not which clay to remove air bubbles but to make the clay more consistent for throwing). I store this clay end on to keep the texture more consistent. I've also found that you need very little water as a lubricant, just wet your hands with the slip generated while throwing. It does dry very quickly compared to most clays. One word of warning though, if you use a mobile glaze it will be even more mobile with this porcelain!

I found this clay very well behaved, although perhaps a little on the soft side for throwing. I threw a 30 cm fluted flan dish with the edges raised to 5 cm and about 8 mm thick, which were then fluted between my fingers. As this was so large I decided to dry out on the bat I threw it on and covered the edges with thin polythene to prevent cracking in the centre. It eventually popped off by itself I then allowed the rest of the drying to take place upside down with a piece of sponge to support the centre. After bisque and glaze firing there was no sign of cracking or warping. I also made a square oven dish (28 cm x 25 cm x 5 cm after firing) by rolling this clay out to about 8 mm, laying clingfilm inside an existing oven dish to form a slump mould. Again, no problems with cracking or warping. It takes underglaze and a dip glaze very well after a bisque firing of 900°C. At a guess I think the shrink rate is just over 10% total. If you wipe it with a sponge it leaves a fine sandy texture but this can be smooth out when leather hard.

I have been using B17C for the past 25 years and have always found it a beautifully plastic clay which holds colour welland gives consistent results on large and small scale pieces. JanineMannion-Jones

Hi Peter, thanks for your comment. We do say up to 1230 for toasted stoneware, however if any customers have issues we have asked them to reduce their firing temp by 20 degrees and this has usually solved the issue. Toasted stoneware can be fired at 1190 and be fully vitrified but will depend on your glaze.

Fired toasted stoneware to cone 6 and very variable. Often bloated. Would be helpful to know what precise temp this body is optimal at.

I love the smoothness of this clay, nearly white when fired, it shows off my more translucent glazes beautifully.

I love this clay. Works really well.