2021 China New Design Flat Top Bifocal Polycarbonate Semi Finished Lens - Polycarbonate – Universe Optical
2021 China New Design Flat Top Bifocal Polycarbonate Semi Finished 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:
Well-run equipment, expert income workforce, and far better after-sales expert services; We are also a unified large family, anyone stick to the corporate value "unification, dedication, tolerance" for 2021 China New Design Flat Top Bifocal Polycarbonate Semi Finished Lens - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Maldives, Paraguay, America, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.
By Griselda from Miami - 2018.07.12 12:19
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
By Heloise from British - 2017.12.02 14:11
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