Vaccum-casting resins with distinctive optical features:
| Resin | Elongation Break | Hardness | Heat Deflection Temp. | Refractive Index | Transmissivity (%) | Product Colour | dyable |
| SG 95 | 12% | 74D | 72°C | 1,51 | 88,1 | transparent | with every colour |
| PX 521 HT | 9% | 80D | 100°C | - | - | transparent, UV-Stable | with every colour |
