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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:
Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for China Cheap price Prescription Bifocals Online - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Palestine, Seychelles, Israel, As a way to make use of the resource on the expanding information and facts in international trade, we welcome prospects from everywhere on the web and offline. In spite in the top quality products and solutions we supply, effective and satisfying consultation service is supplied by our professional after-sale service group. Solution lists and thorough parameters and any other info weil be sent for you timely for the inquiries. So make sure you get in touch with us by sending us emails or contact us if you have any concerns about our firm. ou can also get our address info from our web site and come to our enterprise. or a field survey of our solutions. We're confident that we have been going to share mutual results and build solid co-operation relations with our companions in this market. We're looking forward to your inquiries.