“A colourant or colorant is something added to something else to cause a change in colour. Colourants can be dyes, pigments, inks, paint, or chemicals. For example, this could be adding white to tint a paint, or black to shade a paint, ultimately changing the colour or value.” Wikipedia (Colorants)(11/18/2008) 

Compounding  
J Aggregates     
Pigments   

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