GlobalSpec

Dyes Pigments
Soluble Insoluble
Vulnerable to fading Resistant against fading
Functional groups bond between dye and substrate Functional groups do not bond; typically requires a binder.
Structure alters Retains particulate form
Often combustible Relatively less combustible
Typically organic Typically (but not always) inorganic
Longevity – shorter Longevity – longer

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  1. shinichi Post author

    Dyes vs. Pigments

    Industrial Dyes Information

    IHS GlobalSpec

    http://www.globalspec.com/learnmore/materials_chemicals_adhesives/chemicals_raw_materials/dyes

    Dyes and pigments are similarly used to impart color to materials and finished products, but there are several important distinctions between the two. The primary difference is that dyes are soluble in their vehicle or substrate. When a dye is mixed with a vehicle, it produces a solution, whereas a pigment combined with a vehicle results in a suspension.

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