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28 June 2021

Corrosion vs Rust – How Different are They?

Corrosion typically happens when the exposed surface of the material comes in contact with air or moisture. However, other factors such as salts, acids, chemicals and warm temperature are also known to expedite the corrosion process.

 Corrosion vs Rust – How Different are They?

Corrosion and rust are perennial challenges for manufacturing plants. If they remain uncontrolled, repair and replacement cost can escalate and operational disruptions can occur at regular intervals. It can also result in serious legal and environmental repercussions. Most importantly, the breakdown of corroded or rusted equipment can put employee lives at risk. 

The good news is that corrosion and rust prevention can significantly address these concerns. However, it is pertinent to understand the difference between corrosion and rust so that you can implement the right industrial maintenance solution.

Corrosion

Corrosion is a gradual deterioration of materials (metals and non-metals) caused by a chemical, electrochemical or other reaction with its environment. Corrosion typically happens when the exposed surface of the material comes in contact with air or moisture. However, other factors such as salts, acids, chemicals and warm temperature are also known to expedite the corrosion process.

Corrosion appears blue or green, depending on the material.

The major impact of corrosion is that it degrades structures, strength, appearance, permeability and other properties of the material.

Rust

Rust is a form of corrosion. It happens due to the oxidation of iron when exposed to both air and moisture. So, while corrosion can affect different materials, rust is limited to only iron and its alloys like steel.

Rust appears reddish or brownish-orange in color.

The major impact of rust is that it will make the surface of the iron material crumbly as if it is peeling off and disintegrating. It can further worsen and accelerate the corrosion process.

Corrosion and Rust Prevention

As you may have understood, corrosion and rust can make machinery and equipment very vulnerable irrespective of their similarities or differences. The bottom line is that their prevention should be among the top priorities on your industrial maintenance agenda.

NCH Asia offers a wide spectrum of converting, removal and coating solutions to deal with corrosion and rust issues. These solutions aim not only to protect your metal equipment and keep them in optimum working order but also to increase its longevity and maximize your company’s revenues.

Get in touch with us to know more.

 

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