High impact hard resin lens series
Parameters| Reflective Index | 1.57, 1.61 |
| UV | UV400, UV++ |
| Designs | Spherical, Aspherical |
| Coatings | UC, HC, HMC+EMI, SUPERHYDROPHOBIC, BLUECUT |
| Available | Finished, Semi-finished |
• Particularly resistant to high impact
• Easy edging, normal edging machines are fine
• Good optical features, higher ABBE value
• Suitable for drilling and mounting rimless frames
Properties| Ultravex | CR-39™ |
Poly |
Mid-Index | Hi-Index | |
| ABBE |
42 |
58 |
31 |
34-41 | 32-42 |
| Scratch Resistance (Bayer) |
0.5 |
1 |
0.2 |
0.3-0.5 |
0.5 |
| FDA Impact Resistance |
Pass |
Fail |
Pass |
Fail |
Some Pass |
| Specific Gravity |
1.16 |
1.32 |
1.22 |
1.20-1.34 | 1.30-1.40 |
| Refractive Index |
1.58 |
1.5 |
1.59 |
1.53-1.57 | 1.59-1.71 |
| Chemical Resistance | Good | Good | Unacceptable | Good | Good |
|
Ultravex |
CR-39™ |
Poly |
Mid-Index | Hi-Index | |
| Surfacing | Good | Very good | Difficult | Good | Good |
| Tint Rate | Average |
Fast |
Non-tintable | Average | Fast |
| Typical Center Thickness | 1.3mm | 1.88mm | 1.5mm | 1.5mm | 1.5mm |