Shaking Off the Rust: Dealing with Corrosion

Corrosion Specialist in New ZealandTreating rust entails employing one of the multiple methods available. The four treatments for handling corrosion involve any of the following:

  • Mechanical removals, such as sandblasting or grinding
  • The application of special paints
  • Utilising acids in removing rust
  • Chemical converters

Euro-Blast NZ Ltd, a professional sandblasting and corrosion specialist in New Zealand, discusses sandblasting, priming and top coating. As services dealing with surface preparation, the company has the expertise to provide reliable information on the efficiency of each method as a form of rust treatment.

The Two Variations of Sand-Blasting

Sand-blasting utilises a regulated amount of air seeking to prepare a surface for application. The process, which initially removes the paint, aims to eliminate rust and the initial appearance of corrosion. This method of practice involves two types:

  • Abrasive Blasting Cleaning – This is the ideal solution to cleaning chassis, machinery and automobile parts, as well as equipment needing assembly.
  • Garnet Blasting – This is an anti-corrosion method utilising a refined natural garnet grain. Through dry stripping, this serves to remove pre-existing coatings in clearing a surface.

Priming and Top Coating

These two rust-treatment methods espouse a collaborative interaction. A primer is not a requirement, but its application serves to preserve metals for durability. An ‘un-primed’ metal is prone to undergoing moisture and taking damage from a variety of elements. This makes the said metal vulnerable to corrosion.

Top coating, on the one hand, is the subsequent application to priming. A coated surface is a systematic layering of protection prolonging the shielding qualities of the primer. After sandblasting, both treatment methods provide metals anti-corrosive qualities.

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In preventing rust, you would want to steer clear of moisture, salt spray, exposure to chemicals, iron and possible oxidation. This is what priming and top coating offer to the preservation of metal — extending their lifespan.