Enhanced TDS
Knowde-enriched technical product data sheet
Identification & Functionality
- Chemical Family
- Chemical Name
- CASE Ingredients Functions
- Technologies
- Product Families
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
- Markets
- 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
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 - Particle Size Distribution
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 - Chemical Analysis
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