Factory Cheap Hot Flat Top Bifocal Semi Finished Lens - Ultravex – Universe Optical
Factory Cheap Hot Flat Top Bifocal Semi Finished 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 stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for Factory Cheap Hot Flat Top Bifocal Semi Finished Lens - Ultravex – Universe Optical , The product will supply to all over the world, such as: Las Vegas, Italy, Angola, We warmly welcome your patronage and will serve our clients both at home and abroad with products of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.
By Rita from Canada - 2017.04.28 15:45
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By olivier musset from Peru - 2018.06.19 10:42
Write your message here and send it to us
