Welcome to Rainbow Mastermixing, LLC

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Through almost 30 years of service, Rainbow Mastermixing has been supplying quality mixed fluoroelastomer compounds to customers both in North and South America, India, and Asia. Founded in 1983 by Dan Unk, Rainbow Mastermixing is located at 467 Dan Street, Akron, Ohio.

In 2001, Rainbow was purchased by Rex-Hide Industries and operates as a stand alone facility, providing mixed fluoroelastomer compounds to the oil and gas, food and pharmaceutical, aerospace and chemical processing industries, to name a few.

At Rainbow Mastermixing, we provide quality mixed fluoroelastomer (FKM) compounds to meet your every need.