High reputation Cr 39 Lenses - Ultravex

High reputation Cr 39 Lenses - Ultravex – Universe Optical

Product Detail

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We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we've acquired rich practical working experience in producing and managing for photochromic blue light blockers , Mineral lens , Transition(s) lens , We welcome new and previous clients from all walks of lifestyle to get in touch with us for long term business relationships and mutual accomplishment!

High reputation Cr 39 Lenses - 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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