Colemanite 53
EPK 13
Silica 34
Total 100
Bentonite 1
Na2O 0.00 Al2O3 0.19 SiO2 2.59
K2O 0.00 B2O3 1.48 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.99 Fe2O3 0.00
Alumina:Silica ratio is 1.00:13.55
Neutral:Acid ratio is 1.00:1.55
Alk:Neut:Acid ratio is 1.00:1.67:2.60
Expansion: 54.7 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3
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