{"id":2608,"date":"2026-08-04T15:29:05","date_gmt":"2026-08-04T12:29:05","guid":{"rendered":"https:\/\/kotekservice.com\/uncategorized\/how-does-the-arc-coating-prevent-cavitation-and-erosion\/"},"modified":"2026-08-04T15:29:05","modified_gmt":"2026-08-04T12:29:05","slug":"how-does-the-arc-coating-prevent-cavitation-and-erosion","status":"publish","type":"post","link":"https:\/\/kotekservice.com\/en\/contents\/how-does-the-arc-coating-prevent-cavitation-and-erosion\/","title":{"rendered":"How does the ARC coating prevent cavitation and erosion?"},"content":{"rendered":"
\n

<\/h1>\n

Industrial process equipment, such as pumps, mixers, and piping, is subject to constant mechanical and chemical wear. Solids carried by flowing liquids, as well as bubble collapse caused by pressure fluctuations, quickly damage unprotected steel. As metal surfaces wear down, equipment efficiency declines, energy consumption increases, and this often results in the costly replacement of equipment or parts. <\/p>\n

Traditional paints or thin protective coatings do not hold up well against such extreme forces. That is why it is important in industrial facilities and engineering to understand how advanced surface treatment materials work on a physical level. Ceramically reinforced composite materials offer a technical solution that protects equipment under challenging flow conditions. <\/p>\n

What does Advanced Reinforced Coatings (ARC) mean, and what is it made of?<\/h2>\n

 <\/p>\n

Advanced Reinforced Coatings, or, for short, ARC composites<\/a><\/strong> are highly advanced two-component protective coatings. Their performance is based on a composite structure that combines a tough polymer matrix with hard reinforcing particles. When applied as a liquid or paste, the material forms a dense protective layer as it cures, which adheres firmly to metal or concrete surfaces. <\/p>\n

The polymer matrix acts as a binder that transfers external impacts and mechanical loads to the ceramic or silicon carbide-based reinforcing particles within the material. This microstructure prevents scratches and cracks from propagating through the material. Thanks to its strong structure, localized abrasion or impacts do not damage the underlying steel, and the protective film does not flake off. <\/p>\n

In Finland, these high-quality ARC products are used in demanding industrial applications. These are liquid or paste-like specialty materials that are used when conditions require greater durability than conventional floor coatings, polyurea, or plain steel can provide. For more details on the various applications and materials of this technology, please visit the page featuring ARC composite coatings<\/a>. <\/p>\n

\n

Technical Material Properties<\/h4>\n
Binder:Modified polymer matrix<\/strong><\/div>\n
Reinforcing Component:Ceramic and Silicon Carbide Particles<\/strong><\/div>\n
Application: Extreme mechanical and chemical stress<\/strong><\/div>\n<\/div>\n

How does ARC composite coating differ from traditional epoxy or polyurethane coatings?<\/h2>\n

 <\/p>\n

Industrial maintenance involves the use of a variety of protective materials, the performance of which varies greatly depending on the type of stress. For example, polyurea is ideal for applications requiring flexible waterproofing and weather protection, such as roofs and pools. Standard epoxy coatings, on the other hand, work best in dry indoor environments and on floors subject to moderate mechanical loads. <\/p>\n

When working with closed processes \u2014such as sulfuric acid tanks, hot process tanks, or piping carrying concentrated alkalis or abrasive sugars\u2014elastic or thin protective linings can fail quickly. Chemicals penetrate porous materials and cause corrosion of the substrate. Alternatively, abrasive solids can wear through a soft coating in a short time. <\/p>\n

In these situations the<\/a><\/strong> exceptional hardness and density really shine. The ceramic-reinforced structure provides impenetrable chemical protection and withstands severe mechanical wear. The material does not swell when exposed to chemicals and is not easily scratched, making it a practical choice when other materials reach the limits of their performance. <\/p>\n

\n
\n
Traditional coatings (e.g., polyurea)<\/h5>\n

Excellent flexibility and waterproofing properties. However, they generally cannot withstand strong acids or continuous abrasion in industrial processes. <\/p>\n<\/div>\n

\n
ARC composites<\/h5>\n

Ceramically reinforced, dense, and hard microstructure. Highly resistant to sulfuric acid, alkalis, and erosion caused by solids. <\/p>\n<\/div>\n<\/div>\n

How does ARC coating protect industrial pumps and mixers from cavitation and erosion?<\/h2>\n

 <\/p>\n

Rotating steel structures exposed to flow stress, such as pump impellers and mixer blades, are subject to two abrasive physical phenomena: cavitation and erosion. In cavitation, the fluid pressure drops locally so rapidly that vapor bubbles form. When the pressure rises again, these bubbles collapse in a fraction of a second. This phenomenon generates powerful shock waves that strike the metal surface directly and gradually erode it. <\/p>\n

Erosion, on the other hand, refers to the continuous mechanical abrasion caused by solid particles, such as sand or silt, carried along by a flowing liquid. Protective coatings prevent this type of damage in two main ways: <\/p>\n