| Specifications | According to customer's specific requirements |
| Chemical Formula | KTiOPO₄ |
| Crystal Structure | Orthorhombic, point group mm2, space group Pna2₁ |
| Diameter Tolerance | +0.0/-0.1mm |
| Central Thickness Tolerance | ±0.1mm |
| PV | λ/8 |
| Parallelism | <30'' |
| Surface Quality | 60/40, 40/20 |