May 6, 2026
Marshmallow Pellet Extrusion Testing
How Bonnot's test room used a cooker extruder to develop a low-density marshmallow pellet that floats on water — and what it took to get there.
Come and try it in our state-of-the-art test facility!
Utilizing our on-site state-of-the-art Testing Facility, customers are welcome to trial new products to confirm feasibility.
The Facility has an array of different equipment, including extruders, cutters, dies, mixers and diagnostic tools to process your formula.
Our test facility is staffed with experienced technicians and being on-site, affords customers the opportunity to engage with Engineering resources as well. Oftentimes, one day of trials is sufficient to confirm the desired product characteristics and performance criteria are achievable. Data from the trials is recorded in a formal report and is subsequently modeled to determine the design, size and configuration of the equipment to meet your objectives.
The Bonnot Company, was founded in 1891, and renowned as one of the world's foremost suppliers of custom designed extrusion equipment. Our long term success is based on the quality of our extruders, plus our utmost integrity and trustworthiness.
When we test your product you can rest assured that it and you are in the safest hands. The confidentiality of your proprietary formulations is paramount. That’s why the biggest names in the oil, gas, chemical, automotive, and food industries trust us to build the extruders for them.
Through our vast experience we understand that the formulation and objectives of your product are unique and of course require validation. At every stage of this process, we will work closely with you, and ensure that you have access to the entire Bonnot technical staff which means adopting a multi-disciplinary approach to the successful design and build of your extruder.
130+ years of experience
On site test facility
Flexible approach to testing
Confidential and trustworthy
TALK TO OUR ENGINEERING TEAM
Whatever stage you're at - exploring your options, evaluating a project, or ready to move forward - Bonnot's engineering team is here to help.
EARLY RESEARCH
Not sure which service fits your situation? Browse our full range of extruder services
TECHNICAL EVALUATION
Discuss web width, uniformity, and medical-grade requirements directly with a Bonnot process engineer.
READY TO TRIAL
Bring your formulation to our facility. We'll run a trial, measure key parameters, and send you samples.
May 6, 2026
How Bonnot's test room used a cooker extruder to develop a low-density marshmallow pellet that floats on water — and what it took to get there.
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