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A spill of brown disc-shaped pellets pouring from a clear plastic container onto a wooden surface.

November 14, 2026

Using a Pet Food Extruder to Form Treats and Soft Chews

How a single-screw pet food extruder forms treats, soft chews and pellets, and what a trial on your own recipe can settle before you buy.

After de-airing: finished rubber sheet leaving the 1/8 in × 5 in fishtail die on a Bonnot vacuum extruder.

November 14, 2026

How to Remove Air Blisters from Rubber Using Vacuum De-airing: Lessons from a 2-Inch Extruder Trial

A close-up photo shows numerous small, beige, cylindrical pasta shapes scattered in a metal tray with ridged sides. Some pasta pieces display a spiral or ridged texture. The lighting is bright.

May 5, 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.

Close-up of a metal industrial machine extruding several strands of black material through round holes onto a metal surface. The machine appears used, with visible bolts and some discoloration on the metal.

March 17, 2026

The Value of the “Unsuccessful” Trial: Why R&D is a Journey, Not a Destination

Research and Development is rarely a straight line from problem to solution. More often, it is a series of adjustments, observations, and refinements.

A large, shiny metal helical screw or auger lies horizontally on a wooden pallet, with the focus on the front end and the background softly blurred.

March 11, 2025

An Introduction to Single Screw Extruders

Explore the basics of single screw extruders—how they work, core components, advantages, and common manufacturing applications.

Three black strips of material are being processed on rollers in an industrial machine, with clear plastic rolls and additional equipment visible in the background.

September 26, 2024

Exploring Butyl/Mastic Rubber Extruders

The Bonnot Company has manufactured a line of extruders for processing butyl/mastic rubbers (butyl) since the 1950's. The company recognized the need to offer processing extruders for this rapidly developing market. In keeping with a core principle of continuous improvement, these designs have evolved over time to remain the pre-eminent industry choice for butyl processing equipment/extruders.

A laptop displays a detailed technical engineering drawing with multiple views and dimensions of a mechanical component, using CAD software on the screen.

September 18, 2024

Bulk Feeding Solutions with Custom Extruders

The Bonnot Company has a variety of custom extruders designed for bulk feeding of rubbers, both natural and synthetic, silicones, butyls and mastics. Regardless of the batch size or material viscosity, there is a solution available. If one of the company's standard designs does not meet your needs, a custom solution is developed. Customized solutions specifically tailored to a customer's needs are a core competency of ours and competitive advantage.

Five people stand around an industrial machine processing red material in a factory setting. Two workers in uniforms operate the machinery while others observe and discuss. There is a yellow caution sign on the machine.

December 15, 2022

These are Testing Times

The Bonnot Company's best practice is to conduct testing as there is no reliable theoretical modeling that accounts for all the variable factors in the extrusion process.

A machine extrudes yellow food pellets into an aluminum tray on a stainless steel counter. Some pellets have spilled outside the tray. Industrial kitchen equipment is visible in the background.

July 30, 2020

Bonnot Working on Using Protein Extrusion to Process Plants and Other Meat Replacements

Over the past few years, many start-ups have approached Bonnot regarding plant-based protein extrusion, looking to capitalize on the increasingly popular trend of marketing meat-free alternatives to consumers. As more people continue to adopt vegan and vegetarian lifestyles, there is a growing need to understand and expand plant-based food processing techniques.