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mardi 1 novembre 2011

Cone 9 Green

Dolomite 8
Whiting 11
Custer feldspar 26
Kona F-4 21
Ball clay 13
Silica 21

Ultrox 8.7
Tin oxide 4.35
Copper carbonate 6.5

Na2O 0.11 Al2O3 0.36 SiO2 3.15
K2O 0.12 TiO2 0.01
MgO 0.13 Fe2O3 0.00
CaO 0.48 ZrO2 0.14
CuO 0.16 SnO2 0.09

Alumina:Silica ratio is 1.00:8.82
Neutral:Acid ratio is 1.00:9.48
Alk:Neut:Acid ratio is 1.00:0.36:3.38

Expansion: 72.0 x 10e-7 per degree C

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