Refractory Raw MaterialsAlumina raw materials
Calcined Bauxite
Calcined bauxite is supplied as a refractory raw material in four types, GL-75, GL-80, GL-85 and GL-88, according to the specification below.
- Grades / types
- GL-75, GL-80, GL-85, GL-88
Product overview
Calcined bauxite is supplied as a refractory raw material in the types GL-75, GL-80, GL-85 and GL-88. The catalogue states Al₂O₃, Fe₂O₃, SiO₂ and R₂O limits, water absorption and bulk density for each type.
Technical data
| Property | Unit | GL-75 | GL-80 | GL-85 | GL-88 |
|---|---|---|---|---|---|
| Al₂O₃ | % | ≥75 | ≥80 | ≥85 | ≥88 |
| Fe₂O₃ | % | ≤1.7 | ≤1.6 | ≤1.5 | ≤1.5 |
| SiO₂ | % | ≤3.5 | ≤3.5 | ≤3.5 | ≤3.5 |
| R₂O | % | ≤0.3 | ≤0.3 | ≤0.25 | ≤0.25 |
| Water Absorption | % | ≤6 | ≤6 | ≤4 | ≤3 |
| Bulk Density | g/cm³ | ≥2.85 | ≥3.0 | ≥3.15 | ≥3.25 |
- The specification lists the types as rows and the properties as columns; the values are unchanged and the type order is preserved.
Available grades, shapes and sizes
Available grades
- GL-75
- GL-80
- GL-85
- GL-88
Technical Consultation
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Technical data sheets are supplied on request with the quotation.Request TDS