Complaint
| OD Range | OD Tolerance | WT Tolerance | Sliding | Ovality | Bow |
| OD<100.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| 100.00≤OD<200.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| 200.00≤OD<300.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| 300.00≤OD<400.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| 400.00≤OD<500.00 | ±1.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| 500.00≤OD<900.00 | ±2.00 | ±10.00% | 15.00% | 1.00% | 0.10% |
| Code | Criteria | Al | Ca | Cr | Cu | Fe | K | Li | Mg | Mn | Na | Ti | Zr |
| PQ181E PQ181E-R | Typical | 13 | 0.5 | <0.05 | <0.05 | 0.1 | 0.1 | 0.3 | 0.05 | 0.05 | 0.1 | 1.3 | 1 |
| Maximum | 19 | 1 | 0.1 | 0.1 | 0.5 | 1 | 1 | 0.2 | 0.2 | 1 | 2 | 2 | |
| PQ181EH PQ181EH-R | Typical | 8 | 0.6 | <0.05 | <0.01 | 0.1 | 0.1 | 0.2 | 0.05 | 0.05 | 0.1 | 1.3 | 1 |
| Maximum | 10 | 1 | 0.1 | <0.01 | 0.5 | 0.5 | 0.5 | 0.2 | 0.2 | 0.5 | 2 | 2 |
| PQ181E/ PQ181EH | OH<10ppm | PQ181E-R/ PQ181EH-R | OH<30ppm |
| Item | Index Value |
| Density(g/cm3) | 2.2 |
| Heat Conductivity(w/m·k,1000ºC) | 2.28 |
| Coefficient of Thermal Expansion(ºC-1,1000ºC) | 5.5×10-7 |
| Softening Point(ºC) | 1670 |
| Annealing Point(ºC) | 1210 |
| Strain Point(ºC) | 1110 |
