Spinel Detailed Specifications
| Property | ACT-3B | ACT-3PF | ACT-5B | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Unit | Min | Max | Target | Min | Max | Target | Min | Max | Target |
| Spinel Slip Properties | |||||||||
| D10um | 0.15 | 1 | 0.5 | 0.15 | 1 | 0.5 | 0.15 | 1 | 0.5 |
| D50um | 0.7 | 1.2 | 0.95 | 0.7 | 1.2 | 0.95 | 0.7 | 1.2 | 0.95 |
| D90um | 1.5 | 4.5 | 2 | 1.5 | 4.5 | 2 | 1.5 | 4.5 | 2 |
| Density | |||||||||
| Bulkg/cc | 0.8 | 1 | 0.9 | 0.77 | 0.97 | 0.87 | 0.8 | 1 | 0.9 |
| Tapg/cc | 0.9 | 1.1 | 1 | 0.88 | 1.08 | 0.98 | 0.9 | 1.1 | 1 |
| Pressure to Achieve 2.00 g/ccpsi | N/A | 30000 | 17000 | N/A | 30000 | 22000 | N/A | 30000 | 17000 |
| Green Strengthpsi | 22 | N/A | 30 | 23 | N/A | 35 | 22 | N/A | 30 |
| Fired (2 hrs @ 1625°C)g/cc | 3.51 | NA | 3.55 | 3.41 | NA | 3.45 | 3.51 | NA | 3.55 |
| PTCR Heat Work Temperature°C | 1675 | 1675 | 1675 | ||||||
| PSD of Spray Dried Powder (Sieve Analysis) | |||||||||
| + No. 60 Sieve (+ 250 um)% | N/A | 10 | 5 | N/A | 10 | 5 | N/A | 10 | 5 |
| + No. 100 Sieve (-250 um and + 149 um)% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| + No. 140 Sieve (-149 um and + 105 um)% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| + No. 200 Sieve (-105 um and + 74 um)% | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| - No. 200 Sieve (-74 um)% | N/A | 15 | 5 | N/A | 15 | 5 | N/A | 15 | 5 |
| Flowability | |||||||||
| Flow Rate (2.5 mm 25cc Hall Flowmeter)g/sec | 0.45 | N/A | 0.55 | 0.45 | N/A | 0.55 | 0.45 | N/A | 0.55 |
| Purity by GDMS on Powder | |||||||||
| Sodappm | - | 7500 | <4000 | - | 7500 | <4000 | - | 7500 | <4000 |
| Silicappm | - | 300 | <150 | - | 300 | <150 | - | 1000 | <500 |
| Calciappm | - | 200 | <150 | - | 200 | <150 | - | 1000 | <500 |
| Iron Oxideppm | - | 300 | <150 | - | 300 | <150 | - | 1000 | <500 |
| Yttriappm | - | 300 | <150 | - | 300 | <150 | - | 1000 | <500 |
| Zirconiappm | - | 3000 | <2500 | - | 3000 | <2500 | - | 3000 | <2500 |
| Othersppm | - | <200 | <100 | - | <200 | <100 | - | <1000 | <100 |
| Moisture Content | |||||||||
| Residual Moisture (120°C for 10 minutes)wt% | 0.2 | 1.3 | 0.45 | 0.2 | 1.3 | 0.45 | 0.2 | 1.3 | 0.45 |
| Loss on Ignition | |||||||||
| Weight loss at 1625°Cwt% | 7.3 | 8.3 | 7.8 | 9 | 11 | 7.8 | 7 | 9 | 7.8 |
| Shrinkage (1.5" disk)% OD | 18.5 | 20 | 19 | 18.5 | 20 | 19 | 18.5 | 20 | 19 |
| Fired (2 hrs @ 1625°C)% Height | 18 | 20 | 19 | 18 | 20 | 19 | 18 | 20 | 19 |
| Phase Composition | |||||||||
| XRD (Pure Spinel + > 2% MgO)pass/fail | > 2% | 2.40% | >2 | > 2% | 2.40% | >2 | > 2% | 2.40% | >2 |
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