Abbots Frit 639 (Ca-Mg-Si-Al)
Abbots Frit 639 (Ca-Mg-Si-Al)
Regular price
$79.00 NZD
Regular price
Sale price
$79.00 NZD
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per
Abbots Frit 639
Oxide |
Analysis |
CaO |
21.91 |
MgO |
1.22 |
K2O |
0.24 |
Na2O |
0.65 |
TiO2 |
0.02 |
Al2O3 |
14.08 |
SiO2 |
61.78 |
Fe2O3 |
0.05 |
LOI |
0.05 |
|
|
Calculated Thermal Expansion 6.7 |
|
|
|
Ratios |
|
Si:Al Ratio: |
7.4:1 |
Alkali Ratio: |
0.0:1.0 |
Notes
An unusual frit without boron. Add some Kaolin for suspension, help it melt with zinc oxide or a boron frit to produce ultra-smooth matte glazes. Remember, zinc may corrupt some colouring pigments.
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