Not any pigment can be used in concrete. The chemistry of portland cement plus exposure to sunlight and weather can cause most integral concrete colors to fade.
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Integral Colors
COLOR-CRETE LIQUID integral color is a water-based, ready-to-use pigmented slurry of special synthetic iron-oxide pigments. Produced using a
Color-Crete Liquid - Integral Concrete Color
Integrating custom blends of aggregates to the concrete mixture, Integral concrete colors are pure, synthetic, iron oxide pigments containing no
Concrete Integral Color - Ready Mix Pigments - TruPour