Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- CASE Ingredients Functions
Features & Benefits
- CASE Ingredients Features
- Industrial Additives Features
- Features
- Excellent abrasion resistance: due to its hardness of 8.5 on Mohs scale, calcined bauxite will increase the coating’s resistance to wear.
- Chemical resistance: due to its inert nature, calcined bauxite will provide good chemical resistance compared to conventional fillers.
Applications & Uses
- Applications
- Applicable Processes
- Industrial Additives End Use
- Applications
Portalum® A 25 is used as a raw material for concrete and refractories.
- Filler for wear resistant coatings;
- Raw material for concrete;
- Raw material for refractories.
Properties
- Physical Form
- Physical Properties
- Particle Size Distribution
- Chemical Analysis
| Value | Units | Test Method / Conditions | |
| Moisture Content (at 105°C) | 0.1 | % | Halogen moisture analyser |
| Oil Absorption | 13.0 | g/100g | ISO 787/5 |
| Hardness | 8.5 | — | Mohs’ scale |
| Density | 3.8 | g/cm³ | He-pyknometer |
| Loose Apparent Density | 1.1 | g/cm³ | ISO 787/11 |
| Tapped Apparent density | 1.8 | g/cm³ | ISO 787/11 |
| Value | Units | Test Method / Conditions | |
| Percentage Passing on Individual Sieve (25 μm) | 3.0 | % | Alpine air jet |
| Particle Size (D50) | 10.0 | μm | Laser diffraction Sympatec |
| Particle Size (D97) | 41.0 | μm | Laser diffraction Sympatec |
| Value | Units | Test Method / Conditions | |
| Aluminum Oxide (Al₂O₃) | 88.0 | wt% | XRF |
| Silicon Dioxide | 6.5 | wt% | XRF |
| Ferric Oxide (Fe₂O₃) | 1.8 | wt% | XRF |
| Titanium Dioxide | 2.9 | wt% | XRF |
| Sodium Oxide (Na₂O) | 0.0 | wt% | XRF |
| Potassium Oxide (K₂O) | 0.0 | wt% | XRF |
| Magnesium Oxide (MgO) | 0.0 | wt% | XRF |
| Calcium Oxide (CaO) | 0.0 | wt% | XRF |
| Phosphorus PentOxide | 0.07 | wt% | XRF |
| Loss on Ignition (1000°C, 1 hour) | 0.1 | wt% | XRF |
Packaging & Availability
- Regional Availability