Clay Craft

Friday, April 01, 2005

Black Shino #4

Black Shino #4

Black Shino #4

Custer 56
Kona F-4 10
Frit 3110 14
Lithium Carbonate 3
Ball Clay 17
100

Bentonite 3
RIO 5
*Slater Dust 6

*Slater Dust :
This material comes from the anti-pollution system of a steel melting department.

It has the following general analysis :

SiO2 5.21%

Fe2O3 46.95

CaO 10.85

MgO 2.91

ZnO 30.68

PbO 3.39

Also small amounts of nickel, chromium, molybdenum, cadmium,

and manganese.

A possible substitution for 1% of this stuff is as follows :

Dolomite .135

Whiting .120

Lead bisilicate .052

Zinc oxide (calc.) .310

Silica .034

Red Iron Oxide .470

Total 1.121