White fused alumina aluminum oxide al2o3 for powder coating filler
White corundum is suitable for use as an iron-free fine blasting agent for applications in the aluminium, optical and dental industries and for demanding applications in the blasting agent and refractory industries. Thanks to its transparency and abrasion strength, prime-quality white fused alumina is contained in resins and varnishes and therefore is used in the varnish, laminate and surface-treatment industries.
APPLICATIONS
- ceramic grinding wheel
- Blasting agents
- Abrasives, lapping and polishing agents
- Abrasive discs
- Sandblasting systems
- Surface finishing
- Wear protection and refractory products
- Additive for brake pads, melamine resin retention
- UV paint and varnish retention
- Ball burnishing agents
TYPICAL CHEM. ANALYSIS
| Al2O3 | 99.2-99.7% |
| SiO2 | 0,1% |
| Na2O | 0,2-0.35% |
| Fe2O3 | 0,05% |
| CaO | 0,01% |
TECHNICAL DATA
| Colour | White |
| Spec. gravity | 3,9g/cm3 |
| Hardness | Mohs 9 |
| Grain shape | Angular-cubic |
| Melting point | approx. 2040 °C |
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