Supplying quality mixed fluoroelastomer compounds to customers worldwide.

Welcome to Rainbow Master Mixing, LLC.

Since 1983, we've been providing quality mixed fluoroelastomer (FKM) compounds to meet your every need.

ISO Certified

We are ISO certified to assure top quality. Rainbow Master Mixing, LLC will continuously improve its products and processes to better satisfy the needs and expectations of its customers. We will strive to deliver to them defect free products and services on time, every time.

Equipped for Your Needs

Our 21,000 square foot facility includes three mills. One 60" mill is dedicated to black fluoroelastomer mixing, one 60" mill is dedicated for various color formulations and one 42" mill is dedicated for less than standard size batches. All are supported by accessory equipment to provide your mixed material in slap or strip form.

Compound Library

Over the years, Rainbow has developed a vast library of fluoroelastomer compounds. We have formulations for a vast array of applications.

Small Batch Ready

We have the capability to size production batches from 25 pounds to 100 pounds.

About Rainbow Master Mixing

For over 30 years of service, Rainbow Master Mixing 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 Master Mixing 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.

Get in Touch

Contact Us

467 Dan St., Akron, OH 44310
(330) 374-1810

© 2014-2015 Rainbow Master Mixing, LLC