Big Discount Plane Concave Lens - Polycarbonate – Universe Optical
Big Discount Plane Concave Lens - Polycarbonate – Universe Optical Detail:
Polycarbonate
Parameters
| Reflective Index | 1.591 |
| Abbe Value | 31 |
| UV Protection | 400 |
| Available | Finished, Semi-finished |
| Designs | Single Vision, Bifocal, Progressive |
| Coating | Tintable HC, Non tintable HC; HMC, HMC+EMI, Super Hydrophobic |
Power Range
| Polycarbonate |
Other Materials |
|||||||
| MR-8 |
MR-7 |
MR-174 |
Acrylic | Mid-Index | CR39 | Glass | ||
| Index |
1.59 |
1.61 | 1.67 | 1.74 | 1.61 | 1.55 | 1.50 | 1.52 |
| Abbe Value | 31 |
42 |
32 |
33 |
32 |
34-36 | 58 | 59 |
| Impact Resistance | Excellent | Excellent | Good | Good | Average | Average | Good | Bad |
| FDA/Drop-ball Test |
Yes |
Yes | No |
No |
No | No | No | No |
| Drilling for Rimless Frames | Excellent | Good | Good | Good | Average | Average | Good | Good |
| Specific Gravity |
1.22 |
1.3 | 1.35 | 1.46 | 1.3 | 1.20-1.34 | 1.32 | 2.54 |
| Heat Resistance(ºC) | 142-148 | 118 | 85 |
78 |
88-89 |
— |
84 | >450 |
Benefits
• Break resistant and high-impact
• Good choice to those who love sports
• Good choice to those who do a lot of outdoor activities
• Block harmful UV lights and solar rays
• Suitable for all kinds of frames, especially rimless and half-rim frames
• Light and thin edge contribute to aesthetical appeal
• Suitable to all groups, especially the children and sportsmen
• Thin thickness, light weight, light burden to children’s nose bridge
• High impact material is safer to the energetic children
• Perfect protection to the eyes
• Prolonged product lifespan
Product detail pictures:
Related Product Guide:
We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Big Discount Plane Concave Lens - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Guatemala, Lahore, Korea, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound solutions with good logistics service and economical cost. Depending on this, our solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
By Andrea from Manchester - 2018.06.21 17:11
This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
By Josephine from Niger - 2018.02.04 14:13
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