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| OEM | OEM Services Provided |
| Feature | Good stability |
| Classification | Paint Additives |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact Export Director now ↓ |
STD-A25 portfolio offers a wide range of refractory agglomerated super-calcined (RASC) bauxite, which has been calcined at 1650 °C to a high-density aluminum oxide. The main constituent is the mineral corundum.
Quality assurance: Standardized quality guaranteed through ISO 9001 certified quality management.
Process control: Raw materials and production are closely monitored to ensure consistent chemical composition and grain size.
Applications: Used as a raw material for welding fluxes, in refractories, and in slip- and wear-resistant floorings.
Mean values.These do not represent a specification.
| Property | Value (A25) | Unit | Method |
|---|---|---|---|
| +25 micron | 3.0 | % | Alpine air jet |
| D50 | 8.5 | μm | Laser diffraction |
| D97 | 30 | μm | Laser diffraction |
| Moisture | 0.1 | % | Halogen moisture analyser @ 105 °C |
| Oil absorption | 13 | g/100 g | ISO 787/5 |
| pH | 7.9 | / | ISO 787/9 |
| Density | 3.8 | g/cm³ | He-pyknometer |
| Loose apparent density | 0.3 | g/cm³ | ISO 787/11 |
Mean values.These do not represent a specification.
| Parameter | Result | Dimension | Method |
|---|---|---|---|
| Al₂O₃ | 88.8 | %(m/m) | XRF |
| SiO₂ | 6.0 | %(m/m) | XRF |
| Fe₂O₃ | 1.8 | %(m/m) | XRF |
| TiO | 3.4 | %(m/m) | XRF |
| Na₂O | 0.0 | %(m/m) | XRF |
| K₂O | 0.2 | %(m/m) | XRF |
| MgO | 0.0 | %(m/m) | XRF |
| CaO | 0.0 | %(m/m) | XRF |
| P₂O₅ | 0.07 | %(m/m) | XRF |
| LOI | 0 | %(m/m) | 1000 °C, 1 hour |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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