Color Master Inc. Was founded in 1991 with a commitment to serve the plastics industry by producing quality custom color concentrates at the lowest possible price with the fastest possible turnaround times. Our utilization of state-of-the-art technology ensures that we're honoring that commitment today. At Color Master, we use the highest shear compounding equipment available and ship all our Colorant orders in one week or less, and our PVC Compound in less than two weeks, guaranteed. Our.