China Cheap price Prescription Bifocals Online - Ultravex

China Cheap price Prescription Bifocals Online - Ultravex – Universe Optical

Product Detail

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owing to excellent assistance, a variety of top of the range items, aggressive costs and efficient delivery, we take pleasure in a very good standing amongst our shoppers. We've been an energetic corporation with wide market for Computer Lens , Optical Lens Replacement , Cr 39 Uv Protection , We welcome new and old clients from all walks of lifestyle to speak to us for potential organization relationships and mutual success!

China Cheap price Prescription Bifocals Online - Ultravex – Universe Optical Detail:

Ultravex

High impact hard resin lens series

Parameters

Reflective Index	1.57, 1.61
UV	UV400, UV++
Designs	Spherical, Aspherical
Coatings	UC, HC, HMC+EMI, SUPERHYDROPHOBIC, BLUECUT
Available	Finished, Semi-finished

Benefits

• Particularly resistant to high impact

• Easy edging, normal edging machines are fine

• Good optical features, higher ABBE value

• Suitable for drilling and mounting rimless frames

Properties

	Ultravex	CR-39™	Poly	Mid-Index	Hi-Index
ABBE	42	58	31	34-41	32-42
Scratch Resistance (Bayer)	0.5	1	0.2	0.3-0.5	0.5
FDA Impact Resistance	Pass	Fail	Pass	Fail	Some Pass
Specific Gravity	1.16	1.32	1.22	1.20-1.34	1.30-1.40
Refractive Index	1.58	1.5	1.59	1.53-1.57	1.59-1.71
Chemical Resistance	Good	Good	Unacceptable	Good	Good

Processing

	Ultravex	CR-39™	Poly	Mid-Index	Hi-Index
Surfacing	Good	Very good	Difficult	Good	Good
Tint Rate	Average	Fast	Non-tintable	Average	Fast
Typical Center Thickness	1.3mm	1.88mm	1.5mm	1.5mm	1.5mm

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The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.

By Henry from United Arab Emirates - 2017.06.25 12:48

This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.

By Ina from Greenland - 2017.04.08 14:55