When it comes to managing dough in the food processing and baking industries, maintaining consistency is absolutely essential. As dough moves through machinery to become the final baked product, the metal surfaces involved must remain smooth and free of sticky residues. If not, product quality suffers, and excessive cleaning halts productivity. However, simply applying a coating to these metal surfaces is easier said than done.
Take, for instance, a bakery client who came to us with a stick-release problem. During their baking process, dough is dropped into a hopper, transferred to a trough, and then cut into different sizes. Unfortunately, the dough frequently clings to the hopper walls, rotary knives, and spreader rollers, impacting portion accuracy and increasing cleaning times. Even though they had applied a PTFE coating to the equipment, it wasn't entirely effective. Moreover, the vegetable oils used in the dough made the workspace dangerously slippery, complicating cleanup efforts.
To address this challenge, we suggested a USDA- and FDA-compliant Plasmadize® surface treatment. This advanced thermal spray composite bonds mechanically with the substrate material, changing its surface properties to form a nonporous, moisture-resistant barrier. Depending on the specific polymers used in the coating, Plasmadize provides exceptional non-stick capabilities and achieves an extremely low coefficient of friction (COF). In fact, many Plasmadize coatings exhibit a lower COF compared to standard tungsten carbide or ceramic thermal spray surfaces. Key features and specifications include:
- Exceptional wear resistance.
- Operating temperature range from -200°F (-129°C) to +1,300°F (+704°C).
- Hardness exceeding the Rc scale.
- Resistance to acids, alkalis, chlorides, most organic solvents, sulfites, thiosulfates, and pulp bleaching agents.
Following the application of Plasmadize to two hoppers, rotary knives, and spreader rolls, the customer noticed a significant reduction in both cleaning requirements and downtime. Additionally, less flour is wasted on equipment surfaces, helping the company save on production costs.
Achieving Effective Protection Against Sticking
In the world of food processing and baking, equipment must endure the challenges posed by doughs, batters, and other sticky ingredients. Magnaplate coatings are customized with various polymers and materials to tackle sticking, wear, and other application-specific concerns. Whether you're dealing with buildup, mold release, or other issues related to sticky materials, our experts can help design the perfect coating solution for your needs.
For more details about Plasmadize thermal sprays, check out our product page.
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