Cone 9 Matt White

Dolomite 20
Whiting 6
Custer feldspar 51
EPK 13
Kaolin (Calc.) 10
Total 100

Na2O 0.07 Al2O3 0.48 SiO2 2.11
K2O 0.16 P2O5 0.00
MgO 0.30 TiO2 0.00
CaO 0.48 Fe2O3 0.00

Alumina:Silica ratio is 1.00:4.44
Neutral:Acid ratio is 1.00:4.45
Alk:Neut:Acid ratio is 1.00:0.48:2.12

Expansion: 78.5 x 10e-7 per degree C