If you work with rubber, you know you can never take compound quality for granted. Any variation in raw materials, temperature, humidity, mix methods, processing time and other factors can affect the durability, performance and manufacturability of a compound. This is why you want to work with a compounder whose highest priority is reliably consistent quality. Like Preferred.
Preferred quality factors
- Compound controls
- Mix procedures and controls
- Lot traceability
- Prime materials only
- No substitutions without customer notification
- ISO 9001 certification
- Return rate less than 0.5%
ISO 9001:2015 with Design
Preferred Compounding’s quality management system has been certified to ISO 9001:2015 with Design for all US locations and our facility in Mexico. Download our current ISO certificate.
Equipment that produces the quality you specify
Our twelve mixers allow us to produce nearly every compound our customers specify. Combined with our mix and compounding control systems—plus supporting equipment like gear pump strainers—we can produce the quality you need to meet your customer requirements.
People and methods matter
Producing consistent compounds calls for more than just good equipment. You also need the right people with the right objectives doing the right things.
From order to delivery, we follow proven good methods. We also regularly evaluate and improve our systems and procedures.
And just as we’ve invested in the right equipment, we’ve also invested in and trained the right people. People who know their performance on every compound is part of a team effort that helps you achieve your objectives.
100% prime materials only
Consistent quality from Preferred starts with 100 percent prime materials. We insist on consistency from our suppliers and never substitute anything in your compound without your knowledge and full agreement. Ever.
We also barcode every ingredient in our facilities. Our computerized mixing systems display each recipe and have built-in safeguards to ensure the right materials are selected every time.
Testing in every plant
Every Preferred facility has active production testing capabilities.
“With Preferred, I never have to worry.
I can count on their compounds meeting my requirements from one order to the next, month after month and year after year.”
Automotive parts manufacturer, Ohio
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