Raw Materials
-
Frits: Manufactured, pre-melted glass mixtures. Provide controlled combinations of glaze ingredients, often including fluxes. Feldspars: Natural minerals containing silica and alumina, with sodium, potassium or calcium. Providing fluxing ingredients along with silica and alumina.
-
Fluxes: A broad group of materials that promote melting. Helping mixtures melt and mature at lower firing temperatures. Talcs: Natural magnesium silicate minerals. Supply magnesium and silica; can aid fluxing and influence thermal expansion, depending on the formulation
-
Silica: Commonly supplied as quartz sand or flour. Forms the glass network in glazes, helping to control shrinkage and thermal expansion. Aggregates: Granular materials such as crushed fired clay (grog), alumina or silica. Providing bulk and structure to help control shrinkage and dimensional stability.
-
Bentonites: Fine, absorbent clays composed mainly of montmorillonite. They improve plasticity and binding in clay bodies and help keep glaze particles suspended in water.
-
Flocculants: Used to adjust the consistency and suspension behaviour of some glazes and clay slips Opacifiers: Provides opacity and whiteness in glazes; also used in heat-resistant refractory products Alumina: Improves hardness, wear resistance and high-temperature performance.





