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2021 wholesale price Photochromic Pigments - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight – Topwell

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2021 wholesale price Photochromic Pigments - 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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2021 wholesale price Photochromic Pigments - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures

2021 wholesale price Photochromic Pigments - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures

2021 wholesale price Photochromic Pigments - Photochromic Dye for Optical Lenses Change Color From Clear to Grey Under Sunlight  – Topwell detail pictures


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We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services for 2021 wholesale price Photochromic Pigments - 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: Sevilla, Iraq, Germany, We are very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Christina from America - 2017.05.02 11:33
    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Frederica from Boston - 2017.12.09 14:01
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