Zirconia Alumina ZA-25
Zirconia Alumina ZA-25 is a fused abrasive material composed of aluminum oxide and approximately 25% zirconium oxide. It combines excellent toughness, impact resistance and grinding efficiency, making it ideal for heavy-duty metal grinding and abrasive applications.
Chemical Composition (ZA-25)
| Item | Min / Max | Typical |
|---|---|---|
| ZrO₂ | 24–27% | 25.8% |
| Al₂O₃ | ≥72% | 72.6% |
| SiO₂ | ≤0.70% | 0.50% |
| TiO₂ | ≤0.70% | 0.35% |
| Fe₂O₃ | ≤0.30% | 0.20% |
| CaO | ≤0.15% | 0.14% |
Physical Properties
| Property | ZA-25 |
|---|---|
| Colour | Grey |
| True Specific Gravity | 4.30 g/cm³ |
| Bulk Density | 2.00 – 2.40 g/cm³ |
| Melting Point | 1950 °C |
Available Grit Sizes (FEPA F)
F8 – F12 – F16 – F24 – F36 – F46 – F60 – F80 – F100 – F120 – F150 – F180 – F220 – F240 – F320 – F400 – F600 – F800 – F1000 – F1200
Particle size distribution is available according to ISO, ANSI, FEPA and JIS standards.
Packaging
40 × 25 kg plastic woven bags packed into one jumbo bag.
Custom packaging available upon request.