go on to boost, to be certain item quality in line with market and buyer standard demands. Our firm has a excellent assurance procedure happen to be established for Round Top Bifocal , 1.74 MR174 Lens , Semi Finished Lens , We sincerely look forward to hearing from you. Give us a chance to show you our professionalism and passion. We are sincerely welcome good friends from numerous circles at dwelling and abroad come to cooperate!
2021 China New Design 1.56 photochromic grey lens - Ultravex – Universe Optical Detail:
Ultravex
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 |
Benefits
• 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 |
Processing
|
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 |
Product detail pictures:
Related Product Guide:
We now have a skilled, performance team to supply good quality services for our consumer. We often follow the tenet of customer-oriented, details-focused for 2021 China New Design 1.56 photochromic grey lens - Ultravex – Universe Optical , The product will supply to all over the world, such as: New Zealand, Rwanda, Turkey, Welcome to visit our company and factory, there are various products displayed in our showroom that will meet your expectation, meanwhile, if you are convenient to visit our website, our sales staff will try their efforts to provide you the best service