Ababi on sat 18 may 02
gurus.
The next combination passed three tests dishwasher, thermal shock and
leaching
A question
Glaze one too low in alumina
KOREN STRONTIUM
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Cone 6 1201 deg.C. -
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SILICA 27.00
Calcium Carbonate 14.00
ENGLISH KAOLIN CC31 5.00
ZINC OXIDE 10.00
Feldspar Soda F7 37.00
STRONTIUM CARBONATE 7.00
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Seger Weight%
KNO 0.165 4.34%
CaO 0.379 8.76%
MgO 0.001 0.01%
ZnO 0.329 11.03%
SrO 0.127 5.42%
Al2O3 0.215 9.02%
SiO2 2.477 61.41%
TiO2 0.000 0.01%
K2O 0.009 0.34%
Na2O 0.156 4.00%
Al:Si 11.55
Expan. 7.59
ST 371.80
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Glaze B has high alumina and very high silica yet if the analysis of
the soda feldspar I use, we can look at the formula of the original
recipe>>>> after this one
SPECKLES3134
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Cone 6 1222 deg.C. -
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FRIT 3134 27.60
Cryolite 7.40
BALL CLAY AK 26.70
Magnesium Carb Light 1.00
SILICA 37.20
Titanium Dioxide 5.00
Red Iron Oxide 1.50
Cobalt Oxide 3.00
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Seger Weight%
KNO 0.442 6.29%
CaO 0.441 5.67%
MgO 0.117 1.08%
Al2O3 0.460 10.74%
B2O3 0.405 6.47%
SiO2 4.674 64.41%
TiO2 0.291 5.34%
Na2O 0.442 6.29%
Al:Si 10.17
Expan. 7.49
ST 334.02
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SPECKLES----- GRAY from PMI
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Cone 6 1222 deg.C. -
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GB Average 20.00
Nepheline Syenite 20.00
FRIT 3110 15.00
BALL CLAY AK 15.00
SILICA 30.00
Titanium Dioxide 5.00
Red Iron Oxide 1.50
Cobalt Oxide 3.00
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Seger Weight%
KNO 0.438 6.70%
CaO 0.445 5.73%
MgO 0.118 1.09%
Al2O3 0.456 10.66%
B2O3 0.402 6.43%
SiO2 4.646 64.10%
TiO2 0.289 5.31%
K2O 0.063 1.36%
Na2O 0.375 5.34%
Al:Si 10.20
Expan. 7.49
ST 334.19
I apply the first one and above the second one
Is it correct to see them as one?
SPECKLES-27 AVERAGE
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Cone 6 1222 deg.C. -
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
GB Average 10.00
Nepheline Syenite 10.00
FRIT 3110 7.50
BALL CLAY AK 7.50
SILICA 28.50
Calcium Carbonate 7.00
ENGLISH KAOLIN CC31 2.50
ZINC OXIDE 5.00
Feldspar Soda F7 18.50
STRONTIUM CARBONATE 3.50
Titanium Dioxide 2.50
Red Iron Oxide 0.75
Cobalt Oxide 1.50
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Seger Weight%
KNO 0.267 5.56%
CaO 0.403 7.19%
MgO 0.044 0.57%
ZnO 0.206 5.33%
SrO 0.079 2.62%
Al2O3 0.305 9.87%
B2O3 0.150 3.32%
SiO2 3.287 62.80%
TiO2 0.108 2.75%
K2O 0.029 0.87%
Na2O 0.238 4.69%
Al:Si 10.79
Expan. 7.54
ST 352.34
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Thank you very much
Ababi
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