化学指标 :
项目 |
92瓷 |
95瓷 | 96瓷 | 99瓷 |
Al2O3 |
≥92% |
≥95% |
≥96% |
≥99% |
Na2O |
≤0.4% | ≤0.2% |
≤0.1% |
≤0.15% |
K2O |
≤1.06% |
≤0.5% |
≤0.54% |
≤0.25% |
Fe2O3 |
≤0.01% |
≤0.01% |
≤0.01% |
≤0.01% |
SiO2 |
≤4.7% |
≤3.28% |
≤2.5% |
≤0.2% |
物理指标:
项目 |
92瓷 |
95瓷 | 96瓷 | 99瓷 |
密度(g/cm3) |
≥3.62 |
≥3.68 |
≥3.8 |
≥3.9 |
莫氏硬度(Grade) |
9 |
9 |
9 |
9 |
维氏硬度(HV10) |
1200 |
1300 |
1400 |
1450 |
弯曲强度(Mpa) |
260 |
300 |
380 |
420 |
断裂韧性(Mpa.M1/2) |
3 |
3.2 |
4 |
4.5 |
磨损量(喷砂实验) |
1.6g |
1.2g |
0.7g |
0.6g |