Silica 21
Frit 3134 51
EPK 15
Kaolin (Calc.) 13
Total 100
Na2O 0.31 Al2O3 0.38 SiO2 3.55
K2O 0.00 B2O3 0.63 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.68 Fe2O3 0.01
Alumina:Silica ratio is 1.00:9.26
Neutral:Acid ratio is 1.00:3.53
Alk:Neut:Acid ratio is 1.00:1.01:3.56
Expansion: 69.8 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3
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