China Cheap price Prescription Bifocals Online - Polycarbonate – Universe Optical
China Cheap price Prescription Bifocals Online - 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:
Our team through qualified training. Skilled professional knowledge, powerful sense of support, to satisfy the support desires of consumers for China Cheap price Prescription Bifocals Online - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Turkmenistan, South Korea, moldova, Based on our automatic production line, steady material purchase channel and quick subcontract systems have been built in mainland China to meet customer's wider and higher requirement in recent years. We are looking forward to cooperating with more clients worldwide for common development and mutual benefit!Your trust and approval are the best reward for our efforts. Keeping honest, innovative and efficient, we sincerely expect that we can be business partners to create our brilliant future!
By Freda from Armenia - 2017.12.09 14:01
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 Lilith from Finland - 2017.12.31 14:53
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