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Modeling Corrosion and Corrosion Protection

Wade Hannon

Wade Hannon is an Area Sales Manager – Specialty Products at GRACO Inc. with responsibilities for equipment demonstrations, technical support, distributor development and sales support, marketing and promotion within assigned territories, trade shows and internal sales support.
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Articles by Wade Hannon

Blast Pressure: How to Get It Right Blast Pressure: How to Get It Right Blast Pressure: How to Get It Right Blast Pressure: How to Get It Right


Finding the optimum blast pressure is a balancing act that entails taking into consideration the requirements of the job and the...

7 Things to Know About Flash Rust 7 Things to Know About Flash Rust 7 Things to Know About Flash Rust 7 Things to Know About Flash Rust


Flash rust occurs with any type of wet, abrasive blasting or surface preparation using water. Understanding how it forms is essential to...

5 Things to Consider When Selecting Wet or Vapor Abrasive Blasting Equipment 5 Things to Consider When Selecting Wet or Vapor Abrasive Blasting Equipment 5 Things to Consider When Selecting Wet or Vapor Abrasive Blasting Equipment 5 Things to Consider When Selecting Wet or Vapor Abrasive Blasting Equipment


With many designs on the market it’s hard to know what to look for. Here we examine five things to consider when selecting wet or vapor...

Understanding the Industry Shift To Wet Abrasive Blasting Understanding the Industry Shift To Wet Abrasive Blasting Understanding the Industry Shift To Wet Abrasive Blasting Understanding the Industry Shift To Wet Abrasive Blasting


Changes are forcing the abrasive blasting industry to explore new methods to reduce worker’s exposure to abrasive dust. A promising trend...

Q&A by Wade Hannon

Why do zinc rich primers sometimes leave a powdery topcoat? Why do zinc rich primers sometimes leave a powdery topcoat? Why do zinc rich primers sometimes leave a powdery topcoat? Why do zinc rich primers sometimes leave a powdery topcoat?


The white powdery residue produced by zinc rich primers is a corrosion product known as white rust, white corrosion or white storage stain....

What is a passivator and when should I use one? What is a passivator and when should I use one? What is a passivator and when should I use one? What is a passivator and when should I use one?


A passivator, also known as an anodic inhibitor, is a type of corrosion inhibitor that reduces or blocks reactions at the anode, thus...

Which gets a surface cleaner, wet blasting or dry blasting? Which gets a surface cleaner, wet blasting or dry blasting? Which gets a surface cleaner, wet blasting or dry blasting? Which gets a surface cleaner, wet blasting or dry blasting?


Wet (vapor) blasting technologies and dry blastingare similar in performance with regards to surface preparation. The shortfalls of older...

Are there some anti-corrosion applications in which airless spraying is a bad idea? Are there some anti-corrosion applications in which airless spraying is a bad idea? Are there some anti-corrosion applications in which airless spraying is a bad idea? Are there some anti-corrosion applications in which airless spraying is a bad idea?


Airless sprayers work by pumping high-pressure paints or coatings through a hose to the nozzle of the spray gun. As the paint is forced...

What is a plural component protective coating and what is it used for? What is a plural component protective coating and what is it used for? What is a plural component protective coating and what is it used for? What is a plural component protective coating and what is it used for?


Plural component protective coatings, as the name suggests, are coatings that are made up of separate elements that are combined prior to...

How can I determine what blast pressure is best for my application? How can I determine what blast pressure is best for my application? How can I determine what blast pressure is best for my application? How can I determine what blast pressure is best for my application?


The blast pressure directly determines the velocity of the blast media through the blasting nozzle, and therefore the impact force on the...

How can you avoid flash rust during wet blasting? How can you avoid flash rust during wet blasting? How can you avoid flash rust during wet blasting? How can you avoid flash rust during wet blasting?


Flash rust is defined as the corrosion that occurs on the surface of a metal shortly after any wet method of surface preparation. This type...

What do I need to consider when it comes to applying high solids coatings? What do I need to consider when it comes to applying high solids coatings? What do I need to consider when it comes to applying high solids coatings? What do I need to consider when it comes to applying high solids coatings?


High solids coatings can offer numerous advantages when compared to solvent-based coatings. Some of these advantages include better...

Will using wet abrasive blasting instead of dry eliminate dust? Will using wet abrasive blasting instead of dry eliminate dust? Will using wet abrasive blasting instead of dry eliminate dust? Will using wet abrasive blasting instead of dry eliminate dust?


Firstly, before we answer this question it is important to clear up a common misconception. There is no such thing as a 100% dustless...