Factory Cheap Photochromic Prescription Lenses - 1.61 Spin Photochromic Gray HMC Optical lenses – Boris

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We are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Polycarbonate Impact Resistant Lenses, Eyeglasses With Photochromic Lenses, Polycarbonate Lens, First business, we learn each other. Further business, the trust is getting there. Our company always at your service at any time.

Factory Cheap Photochromic Prescription Lenses - 1.61 Spin Photochromic Gray HMC Optical lenses – Boris Detail:

Production Details

Place of Origin:	Jiangsu	Brand Name:	BORIS
Model Number:	Photochromic Lens	Lenses Material:	SR-55
Vision Effect:	Single Vision	Coating Film:	HC/HMC/SHMC
Lenses Color:	White(indoor)	Coating Color:	Green/Blue
Index:	1.61	Specific Gravity:	1.30
Certification:	CE/ISO9001	Abbe Value:	41
Diameter:	75/70/65mm	Design:	Asperical

Basic color changing lens production principle:

Chemical substances of silver halide are added to the raw material (substrate) for making the lens, and the ionic reaction of silver halide is used to decompose into silver and halogen under the stimulation of strong light, which makes the lens colored. When the light becomes weak, it is combined into silver halide and the color becomes lighter.

Production Introduction

The discoloration factor needs to be decomposed, absorbed and polymerized, and the discoloration efficiency is low and the discoloration speed is slow.
Photochromic factors of spin change have better photoresponsiveness and faster color change.

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We take customer-friendly, quality-oriented, integrative, innovative as objectives. Truth and honesty is our management ideal for Factory Cheap Photochromic Prescription Lenses - 1.61 Spin Photochromic Gray HMC Optical lenses – Boris , The product will supply to all over the world, such as: panama, Costa rica, Namibia, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.

1.50 Photochromic Transitions