Creative Innovation

James Robinson is a world leader in the development of innovative photochromic dyes. These are special dyes that reversibly change colour upon exposure to ultraviolet sources, such as sunlight. James Robinson produces and markets a large range of dyes under the Reversacol name.

The Reversacol photochromic dye product range currently includes over 20 vibrant colours. There is even a range of unique single molecule photochromic greys, which offer the advantage of achieving a neutral colour without the need to mix several dyes.

Reversacol

Reversacols can be added to plastics, inks and coatings and there is a wide range of applications, including some of the following: -

Ophthalmic photochromic lenses and sunglasses, security inks and coatings for passports and brand protection etc., perfumes and cosmetics packaging, optical switches, mobile phone covers, ski and sportswear, nail varnish, and even sun tanning dolls!

Reversacol photochromics can be combined with a wide range of special effect colourants such as light angle-dependent interference pigments, thermochromics, liquid crystals and permanent dyes to produce unusual photochromic effects or colour to colour effects.

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