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Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight – Topwell

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"Based on domestic market and expand overseas business" is our improvement strategy for Thermochromic Pigment Paint, Colour Changing Pigment Powder, Fluorescent Pigment Perylene, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight – Topwell Detail:

Photochromic Dyes are reversible raw dyes in crystalline powder form.

Photochromic dyes reversibly change color upon exposure to ultraviolet light in the range of 300 to 360 nanometers.

Full color change occurs in just seconds when using a flash gun to 20-60 seconds in the sunlight.

The dyes change back to colorless when removed from the UV light source. Some colors may take longer to fade back to completely clear than others.

Photochromic dyes are compatible with one another and can be mixed together to produce a wider range of colors.

 Photochromic Dyes can be extruded, injection molded, cast, or dissolved into an ink.

Photochromic dyes can be used in various paints, inks and plastics (PVC, PVB, PP, CAB, EVA, urethanes, and acrylics).

The dyes are soluble in most organic solvents.

Due to the wide variations in substrates, product development is solely the responsibility of the customer.


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Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures

Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures

Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures


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We constantly believe that one's character decides products' high quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Hot-selling Infrared Pigment - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight – Topwell , The product will supply to all over the world, such as: Belarus, Doha, Israel, The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Gail from Israel - 2017.05.21 12:31
    Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Mamie from Romania - 2018.05.22 12:13
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