White corundum F8 F10 F12 F14 F16 F20 F24 F30 for grinding head
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.
TYPICAL CHEM. ANALYSIS
| Al2O3 | 99.5%min |
| 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 |
APPLICATIONS
- grinding head
- oil stone
- 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
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