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Double Concave Lenses
, photochromic 1 61 plastic lens
, Lens Tech Optical
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Manufacturing Companies for Unlined Bifocals -
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:
Always customer-oriented, and it's our ultimate goal to get not only by far the most reputable, trustable and honest supplier, but also the partner for our customers for
Manufacturing Companies for Unlined Bifocals -
Ultravex – Universe Optical , The product will supply to all over the world, such as: Norway
, Argentina
, Malaysia
, We take measure at any expense to achieve essentially the most up-to-date equipment and approaches. The packing of nominated brand is our a further distinguishing feature. The items to assure years of trouble-free service has attracted a great deal customers. The solutions are obtainable in improved designs and richer assortment, they're created scientifically of purely raw supplies. It readily available in a variety of designs and specifications for your selection. The most recent kinds are a great deal better than the preceding one particular and they are quite popular with lots of prospects.