Rollo-Mixer® Test Center

At our Continental Rollo-Mixer® Test Center, many products we use every day are test blended or coated before being scaled up to production and commercially sold. It all starts with receiving product samples, determining the density of the material and developing the design of the experiment. From there, we work directly with prospects and customers from over 20 industries looking to perfect uniformity and consistency in their formulas for optimizing overall product performance. Many leading products from the industries we serve were started right here in our test Rollo-Mixers. The Test Center also serves as an R&D feedback center for us as we can customize solutions that will later be applied to our customers’ production Rollo-Mixers.

Determine Bulk Density

To Determine Bulk Density in lbs. per cubic ft.:

  1. Measure 1 cup of material
  2. Get weight in Grams
  3. Multiply x 0.2643 4. = lbs. per cubic ft.

Visit Our Facility and Test Your Products

Continental’s product testing facility has accommodated more than 2,000 blending and coating trials over many decades. Our test facility is equipped with a variety of Rollo-Mixer® test models, liquid spray systems and heating and cooling capabilities. Companies that visit us can test their products utilize utilize one of 6 versions of the Rollo-Mixer®. Visibility is a key factor in helping us learn how products behave and adapting our coating technology to suit the application. Continental is able to share their years of experience testing a wide variety of products, helping accelerate the transfer from development to production. Scale up is 1:1 from pilot to production.

Send Samples and Test Materials to:

Continental Products Corp
50863 Elevator Street
Osseo, WI 54758

Mailing Address

Continental Products Corp
PO Box 126
Osseo, WI 54758


Get in Touch

Where to Stay When Visiting Us

Our guests receive discounted rates when testing the Rollo-Mixer at the following great hotels….

Holiday Inn Eau Claire South
4751 Owen Ayres Ct, Eau Claire, WI 54701
P: 715-830-9889

Additional Accommodations

Staybridge Suites® Eau Claire-Altoona

1515 Bluestem Blvd., Altoona, WI 54720
Hotel: (715) 830-0800 Direct: (715) 214-2580

A world Leader in Rotary Drum Mixing Technology

We’ve been leading the way in innovative solutions for mixing, blending and coating since 1960. Take Advantage of the substantial benefits available to you through our years of experience.

Substantial Raw Material Savings

Simplify Entire Process

Major Electrical Savings and Rebates

Eliminate Rework

Improve Quality of Finished Products

Increase Production

Test Your Product

We invite you to run trials with a 5 or 10 cu ft Rollo-Mixer® at our facility in Wisconsin. Continental will create a private video of the test, exclusively for your review. Viewing windows allow you to watch the blend, and microscope pictures showcase the Rollo-Mixer’s effectiveness. See your powders and granules uniformly blended or treated with liquids exclusively through "Free-Fall Processing"®

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Call Us Directly

Call us now to discuss your application. We have worked directly with our customers for over 50 years, and are happy to lend our trusted knowledge to your application. We’re here to help you directly from your initial interest, and testing…. to start up and for the lifespan of your Rollo-Mixer®

Contact Us