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Glaze Opacifier Property

Glaze opacity can be achieved using a number of different mechanisms (e.g. phase difference, crystallization, unmelted suspended particles, bubbles, matteness). Each mechanism or combination of mechanisms has advantages and disadvantages depending on the host glaze and process being used.


Oxides TiO2
Materials Rutile
Materials Talc
Materials Tricalcium Phosphate
Materials Magnesium Zirconium Silicate
Oxides ZrO2
Materials Alumina Hydrate
Materials Arsenic Oxide
Materials Barium Carbonate
Materials Bone Ash
Oxides CeO2
Oxides Sb2O3
Oxides As2O3
Oxides TiO2
Oxides SnO2
Materials Tin Oxide
Materials Titanium Dioxide
Materials Zinc Oxide
Materials Zircon
Materials Zircopax
Materials Zircopax Plus
Materials Calcium Carbonate
Oxides ZnO


Glossary Opacifier
Glaze opacity refers to the degree to which it is opaque. There is more than meets to eye to the subject of opacity control.

By Tony Hansen

Monthly Tech-Tip from Tony Hansen

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