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Lowest Price for Glasses Bifocal - 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 business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of Lowest Price for Glasses Bifocal - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Guinea, Egypt, Roman, With a state-of-the-art comprehensive marketing feedback system and 300 skilled workers' hard work, our company has developed all kinds of products ranging from high class, medium class to low class. This whole selection of fine products offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer good OEM services to many famous brands.