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slips/engobes for bisque

updated tue 10 jun 08

 

Steve Mills on mon 9 jun 08


Dear May,

While not completely  sticking to your criteria, these recipes may be of some use.

In all cases parts are by weight.

Slips for use on Bisque.

High fire:                 

Calcined China Clay.(Kaolin)....50
Plastic Ball Clay..(perhaps B Mix?)...50
Potash Feldspar...........90
Calcium Borate Frit...10

I know this adds up to 200!

and

1080oC or thereabouts

Ball Clay..........................15
China Clay......................15
Calcined China Clay.....20
Calcium Borate Frit.....20
Talc...................................15
Flint...................................20
Zirconium Silicate..........5

ATB

Steve
Bath
UK