| Nematic Liquid Crystal | QYPDLC-480 | QYPDLC-20608U2 |
| without polymer | ||
| Lower Operating Temperature Tkn(C) | <-20 | -20 |
| Upper Operating Temperature Tni(C) | 105 | 110 |
| Birefringence(589nm,20C) | 0.251 | 0.229 |
| Ordinary Refractive Index (No)(589nm,20C) | 1.5235 | 1.523 |
| V10,0 ,25(V) | 1.887 | 1.78 |
| V90,0 ,25(V) | 2.642 | 2.63 |