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from cone 04 to 6

updated sat 30 jun 07

 

Edouard Bastarache Inc. on thu 28 jun 07


Sacredclay,

another proposition

Frit 3134 42
Silica 12
Redart clay 46

Na2O 0.28 Al2O3 0.30 SiO2 3.99
K2O 0.07 B2O3 0.54 P2O5 0.00
MgO 0.06 TiO2 0.02
CaO 0.59 Fe2O3 0.07

Alumina:Silica ratio is 1.00:13.42
Neutral:Acid ratio is 1.00:4.85
Alk:Neut:Acid ratio is 1.00:0.84:4.08

Expansion: 71.1 x 10e-7 per degree C
Oxides causing abnormal expansion:
B2O3


Later,



Edouard Bastarache
Le Fran=E7ais Volant
The Flying Frenchman

Sorel-Tracy
Quebec
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