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China Cheap price Prescription Bifocals Online - 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:
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