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Riverdale Color is a manufacturer of Liquid Colors for the plastics industry. Liquid color is a cost effective alternative to color concentrates, micro pellets, and pre-colored materials. Riverdale's color can be used in nearly all plastic resins and in almost every type of plastics processing machine.

Liquid additives are the most economical and efficient way of introducing additives to thermoplastics. Additives that are compounded into the resin or are metered as a pellet concentrate directly into the process add unwanted costs to a product. In many cases, additives should be added at very low percentages to accomplish the stated function.