Allgemein
Property | Value | Comment |
---|---|---|
Partikelgrößenbereich | 70.0 Show Supplier Material materials with Partikelgrößenbereich of 70.0 | average |
Schüttdichte | 0.9 g/cm³ Show Supplier Material materials with Schüttdichte of 0.9 g/cm³ | |
Sieve residue 45μm | 60 % Show Supplier Material materials with Sieve residue 45μm of 60 % | |
90 % Show Supplier Material materials with Sieve residue 45μm of 90 % | ||
Spezifische Oberfläche | 0.30000000000000004 - 1.0 m²/g Show Supplier Material materials with Spezifische Oberfläche of 0.30000000000000004 - 1.0 m²/g | BET |
Thermisch
Property | Value |
---|---|
Schmelzpunkt | 2000.0 °C Show Supplier Material materials with Schmelzpunkt of 2000.0 °C |
Chemical properties
Property | Value | Comment |
---|---|---|
Aluminium | 99.5 % Show Supplier Material materials with Aluminium of 99.5 % | min. Al₂O₃ |
Eisen | 0.05 Show Supplier Material materials with Eisen of 0.05 | max. Fe₂O₃ |
Natrium | 0.3 Show Supplier Material materials with Natrium of 0.3 | max. Na₂O |
Silizium | 0.05 Show Supplier Material materials with Silizium of 0.05 | max. SiO₂ |
Technological properties
Property | ||
---|---|---|
Application areas | GNPGraystar’s Calcined Alumina is used in refractory applications as well as ceramic applications including spark plugs, tap washers, pump seal, electronic substrates, grinding media, abrasion resistant tiles, cutting tools, bioceramics, body armor, laboratory ware, and wear parts for the textile and paper industries. It is also used as a friction material in brake linings, in potting compounds to disperse heat, and in polishing, lapping, and buffing compounds. | |
Crystal structure | Alfa Alumina: 95%(min) |