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Porcelain & Whitewares

Porcelain & Whitewares

Whitewares typically refers to chinaware and sanitary ware for household and commercial applications.  These products are typically alumina-containing porcelain formulations.  Though porcelain formulations can achieve the required alumina content using natural ores and minerals, the choice of synthetic alumina dramatically improves the properties of the final product. Because of it’s purity and controlled physical characteristics.

Alumina is used in chinaware because of it’s thermal properties, particularly heat capacity.  The improved thermal properties ensures hot foods and beverages will retain heat longer and remain as-prepared. Alumina is used in sanitary ware due to it’s dramatic improvement in mechanical strength.  Improved strength helps facilitate the design and manufacture of thinner parts and more complex geometries.

Almatis aluminas for whiteware applications include coarse crystalline continuous ground products.  The coarse crystalline products provide improved thermal properties and the controlled particle size distribution results in improved strength and fewer defects as compared to natural ores or minerals.  Our products are available in normal soda and intermediate soda versions in case improved purity is critical to the application.

Unground calcined Aluminas

A 2

Primary Crystal Size = 3.0µm
Specific Surface Area = 0.40 m2/g
Na2O Content = 0.30%

A 35

Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.11%

HVA

Primary Crystal Size = 2.7µm
Specific Surface Area = 0.50 m2/g
Na2O Content = 0.12%

A 13 LS

Primary Crystal Size = 0.3µm
Specific Surface Area = 7.5 m²/g
Na2O Content = 0.20%

Continuous Ground Calcined Aluminas

Gilox 63

Ground Median Size = 17µm
Ground Surface Area = 0.20 m²/g
Na2O Content = 0.35%

CT 19 FG

Ground Median Size = 5.5µm
Ground Surface Area = 0.60 m²/g
Na2O Content = 0.08%

A 2-325

Ground Median Size = 5.5µm
Ground Surface Area = 0.60 m²/g
Na2O Content = 0.30%

A 2-325 CR

Ground Median Size = 5.0µm
Ground Surface Area = 0.70 m²/g
Na2O Content = 0.30%

A 35-325

Ground Median Size = 5.5µm
Ground Surface Area = 0.70 m²/g
Na2O Content = 0.11%

A 35-325 CR

Ground Median Size = 4.5µm
Ground Surface Area = 0.70 m²/g
Na2O Content = 0.11%

HVA FG

Ground Median Size = 4.8µm
Ground Surface Area = 0.70 m²/g
Na2O Content = 0.12%

CT 800 FG

Ground Median Size = 3.5µm
Ground Surface Area = 0.90 m²/g
Na2O Content = 0.12%

CT 800 SG

Ground Median Size = 3.4µm
Ground Surface Area = 1.0 m²/g
Na2O Content = 0.12%

A 13-325

Ground Median Size = 2.5µm
Ground Surface Area = 7.5 m²/g
Na2O Content = 0.20%

P 730

Ground Median Size = 2.2µm
Ground Surface Area = 9.0 m²/g
Na2O Content = 0.30%

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