materials
MATERIALES
| Producto | Índice | Valor Abbe | Gravedad |
| POLICARBONATO | 1,591 | 32 | 1,20 |
| CR-39 | 1,499 | 58 | 1,32 |
| 1,56 | 1,56 | 35 | 1,27 |
| 1,60 | 1,60 | 42 | 1,30 |
| 1,67 | 1,67 | 32 | 1,35 |
| 1,74 | 1,74 | 32 | 1,47 |