With 16 mixers in five locations—including separate black and color buildings, specialty compounding, gear-pump straining, calendering and more—Preferred Compounding is a broad and complete rubber compound supplier. And with Preferred, your custom rubber compound is backed by a full complement of high-performance services: flexible delivery arrangements, product development resources, technical support and more.

Compounding capabilities

Compound types

  • Color
  • Black
  • Sponge
  • Dense
  • Strip
  • Slab
  • Fiber reinforced
  • Calendaring
  • Single batch to high volume

Polymers Used

  • EPDM
  • Natural rubber
  • Nitrile
  • SBR
  • Neoprene
  • CPE
  • HNBR
  • FKM
  • Vamac


  • State-of-the-art gear pump straining technology
  • Straining for black and color lines

Quality in every compound, testing in every plant

With every compound you receive from Preferred, consistent quality is our highest priority. Of every 1,000 compounds we deliver, on average five or fewer are returned.

Preferred has production compound testing laboratories in all facilities.

Just-in-time delivery

Want more control of your compound supply? With four plants in four regions, Preferred provides compounds on a just-in-time basis to most locations.

Typical lead times are from overnight to ten days. And when we commit to a delivery date, we meet it more than 99 percent of the time.

Development resources

Whether you want to reduce the cost of a compound or improve its performance and manufacturability, with Preferred you have access to our comprehensive product development resources. Our chemists average more than 20 years in the rubber industry.

Customers say…

“I can get a full range of compounds from the simplest to the most complex, all from Preferred. My business is more productive because I don’t have to use multiple sources.”

Wire and cable manufacturer