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Wholesale Price D28 Bifocal - Polycarbonate – Universe Optical
Wholesale Price D28 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:
With this motto in mind, we've turn into one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for Wholesale Price D28 Bifocal - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Romania , Liberia , Greece , Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
By Jodie
from Swedish
- 2018.12.14 15:26
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Joanna
from Gabon
- 2017.06.29 18:55
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