Borate de gerstley
Item No.
520 K5
Gerstley Borat is a natural calcium borat from United States. In glazes: flux, causes hairline cracks, is mainly used for raku glazes and in the low to medium firing range.
Description
Gerstley Borat is a natural calcium borat from United States.
In glazes: flux, causes hairline cracks, is mainly used for raku glazes and in the low to medium firing range.
In glazes: flux, causes hairline cracks, is mainly used for raku glazes and in the low to medium firing range.
Analyse
SiO2 | 14.800% |
Al2O3 | 0.980% |
Fe2O3 | 0.425% |
MnO | 0.024% |
MgO | 3.540% |
CaO | 19.400% |
Na2O3 | 3.950% |
K2O | 0.399% |
TiO2 | 0.050% |
P2O5 | 0.053% |
B2O3 | 26.800% |
Glühverlust | 29.5% |