White fused alumina F120 (WFA F120)
White fused alumina F120(WFA F120) particle range 90-125μm. It equles to the Electrocorundum 25A M125. White fused alumina F120 is milled from ceramic milling process. The Ferro impurity is extreamly low. As a fine WFA grit, it can work as grinding material & sandblasting media for steel, metal, alloy,glass even for facial care. In the meantime, it is suitable for epoxy flooring anti-slip coating, wear resistance brake material,etc.
Feature of White Fused Alumina F120(WFA F120):
- Hardness is high with aggressive grinding capabililty.
- Resistance to high temparature, chemical corrosion.
- Contaminent free sandblasting media.
- Excellent self-sharpening ability.
CHEMICAL COMPOSITION:
| Item | Guarantee Value（%） | Typical Value（%） |
| Al2O3 | ≥99.2 | 99.42 |
| Fe2O3 | ≤0.1 | 0.04 |
| SiO2 | ≤0.1 | 0.05 |
| Na2O | ≤0.4 | 0.28 |
| MgO | ≤0.02 | 0.02 |
| CaO | ≤0.05 | 0.04 |
| K2O | ≤0.03 | 0.02 |
PHYSICAL PROPERTIES:
| Specific Weight | Hardness | Bulk Density | Melting Point |
| 3.95 g/ cm3 | 9.0Mohs scale | 1.70-1.80g/cm3 | 2050℃ |
PARTICLE SIZE DISTRIBUTION(0.09-0.125mm):
| Grit | Mesh# | Mesh size(um) | Weight Standard(%) | Typical Value(%) |
| Coarsest Grit | +80 | 180 | 0 | 0 |
| Coarse Grit | +120 | 125 | Max. 20 | 8.3 |
| Basic Grit | +140 | 106 | Min. 40 | 47.9 |
| Mixed Grit | +140 +170 | 106 90 | Min. 65 | 83.6 |
| Fine Grit | -230 | 63 | Max. 3 | 1.0 |
Application of White Fused Alumina F220 for Microdermabrasion:
- Resin Bonded Abrasives and Vitrify Bonded Abrasives
- Wear Resistance Floor Coating and anti-slip material
- Alumina Ceramics
- Refractory & Precision Casting
- Blasting and grinding
Production process:
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