Note: This post is part of a larger series on generic coating types. Click the button at the bottom of this post to download the entire guide. 

Overview:

Polyurethanes offer excellent gloss and color characteristics. They are often used to give surfaces a smooth, thin film build that will provide abrasion resistance, good corrosion control and resistance to chemical exposure. They are versatile coatings that can be specifically formulated to cope with a number of different circumstances.

Benefits:

  • High gloss finish
  • Good color retention
  • Customizable based on needs

Drawbacks:

  • Short pot life
  • Contain potentially harmful isocyanates
  • Will likely require a multiple component system

Common Applications:

Common applications for polyurethanes include use as topcoats for the protection of steel and concrete substrates. This can include on bridges, storage tanks, barges, refineries, petrochemical plants, etc.

Notes:

Polyurethanes are often used to achieve a smooth, thin film build over the top of a zinc primer and epoxy intermediate coat.

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Polyurethanes
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