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samedi 24 septembre 2011

Bass #39 Balancée/Satinée

Frit 3134 34
EPK 13
Kaolin (Calc.) 12
Kona F-4 20
Whiting 21
Totl 100

Na2O 0.18 Al2O3 0.30 SiO2 1.58
K2O 0.03 B2O3 0.26 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.79 Fe2O3 0.00

Alumina:Silica ratio is 1.00:5.18
Neutral:Acid ratio is 1.00:2.79
Alk:Neut:Acid ratio is 1.00:0.57:1.58

Expansion: 87.4 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3

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