Horsley’s Satin Matte White

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Cone: 9 – 10
Color: white – warm tone
Surface: satin matte
Firing: reduction

Recipe: (Percent)

Whiting………………. 25.95
Custer Feldspar …… 49.19
EPK……………………. 3.24
OM-4 Ball Clay …….. 21.62
Totals: 100 %

Also add:
Titanium Dioxide …….. 4.86
Zinc Oxide ……………. 4.86
Zircopax/Ultrox …….. 12.97

Estimated Thermal Expansion = 8.69×10-6 /deg. C

Unity Formula for Horsley’s Satin Matte White:
0.160 K2O     0.440 Al2O3     2.288 SiO2
0.071 Na2O   0.006 Fe2O3    0.010 TiO2
0.762 CaO     0.000 P2O5      5.2:1 Si:Al Ratio
0.007 MgO

Percentage Analysis for Horsley’s Satin Matte White: (by weight)

55.74 % SiO2
18.20 % Al2O3
6.11 % K2O
1.79 % Na2O
17.33 % CaO
0.11 % MgO
0.39 % Fe2O3
0.32 % TiO2