Listing ID #2923750
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Salient Features
Applications : In the manufacturing of ceramic products, Feldspar is the second most important ingredient after clay. Feldspar does not have a strict melting point, since it melts gradually over a range of temperatures. This greatly facilitates the melting of quartz and clays and, through appropriate mixing, allows modulations of this important step of ceramic making. Feldspars are used as fluxing agents to form a glassy phase at low temperatures and as a source of alkalies and alumina in glazes. They improve the strength, toughness, and durability of the ceramic body, and cement the crystalline phase of other ingredients, softening, melting and wetting other batch constituents.
Feldspar assists the enamel composition, assuring the absence of defects and the neatness of the end product: e.g. enamel frits, ceramic glazes, ceramic tile glazes, sanitary-ware, tableware, electrical porcelain and giftware.
POTASH-01 | POTASH-02 | ||
Silica | SiO2 | 66% (+/- 1%) | 68% (+/- 1%) |
Alumina | Al2O3 | 18% (+/- 0.5%) | 17% (+/- 0.5%) |
Potassium Oxide | K2O | 12.8% (+/- 1%) | 10% (+/- 1%) |
Sodium Oxide | Na2O | 2% (+/- 1%) | 3% (+/- 1%) |
Titanium Oxide | TiO2 | Nil | Nil |
Calcium Oxide | CaO | Nil | Nil |
Magnesium Oxide | MgO | Nil | Nil |
Ferric Oxide | Fe2O3 | 0.06% (+/- 0.01%) | 0.08% (+/- 0.02%) |
Loss on Ignition | LOI | 0.001 | 0.002 |