Factory Cheap Cr 39 Blue Light Lenses - Polycarbonate

Factory Cheap Cr 39 Blue Light Lenses - Polycarbonate – Universe Optical

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, have confidence in the very first and management the advanced" for Bifocal Blue Light Glasses , Photochromic Bifocals , blue cut photochromic lens , We warmly welcome domestic and abroad buyers deliver inquiry to us ,we now have 24hours doing work team! Anytime anywhere we are still here to be your partner.

Factory Cheap Cr 39 Blue Light Lenses - 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
	Polycarbonate	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

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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Factory Cheap Cr 39 Blue Light Lenses - Polycarbonate – Universe Optical , The product will supply to all over the world, such as: Barbados , Portugal , Pakistan , We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.

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