"Based on domestic market and expand abroad business" is our progress strategy for Bifocal Night Driving Glasses , Flat Top 28 Bifocal , Cr 39 Polycarbonate , We stick to providing integration solutions for customers and hope to build long-term, stable, sincere and mutual beneficial relationships with customers. We sincerely look forward to your visit.
Best Price on Lente Bifocal Invisible - 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:
Our business has been focusing on brand strategy. Customers' pleasure is our best advertising. We also offer OEM company for Best Price on Lente Bifocal Invisible - Ultravex – Universe Optical , The product will supply to all over the world, such as: Philippines, Manchester, Somalia, They're durable modeling and promoting well all over the world. Under no circumstances disappearing key functions in a brief time, it's a should for you personally of fantastic quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the business make an awesome efforts to expand its international trade, raise its enterprise. rofit and improve its export scale. We are confident that we'll have a vibrant prospect and to be distributed all over the world in the years to come.