2021 High quality Flat Top Bifocal Lens - Ultravex – Universe Optical
2021 High quality Flat Top Bifocal 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:
Using a complete scientific top quality management program, great high-quality and fantastic religion, we win great track record and occupied this area for 2021 High quality Flat Top Bifocal Lens - Ultravex – Universe Optical , The product will supply to all over the world, such as: US, Belgium, Lisbon, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
By Joa from Porto - 2017.03.07 13:42
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
By Kevin Ellyson from Bahrain - 2018.06.30 17:29
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