509 MCU is a solvent based, moisture cured urethane primer designed for metallic surfaces and previously coated steel. This single component zinc-rich primer offers fast drying, excellent adhesion, and reliable corrosion protection, making it ideal for use in marine and industrial environments.

The coating is compatible with Resimac polyurethane and UV-stable topcoats and provides a generous 24-hour overcoating window at 20°C (68°F). Its ease of use and extended working time make it suitable for rapid maintenance projects or large scale structural applications.

Key Features

  • Single component urethane primer with moisture cure technology
  • Fast drying and tolerant of less-than-ideal surface preparation
  • Delivers long term protection against corrosion
  • Compatible with Resimac polyurethane and UV-stable topcoats

Typical Applications

  • Steel structures
  • Metal stairways
  • Tank external surfaces

Real World Applications

Find out how 509 MCU has delivered reliable results in real-world repairs by exploring our case studies.

Category


Documents & Resources

Access all product documentation and information via the links below.

Quick Application Guide Product Sheet

Information & Enquiries

Our products are supplied to over 60 countries worldwide and are used by some of the largest companies globally.

For more information and technical data please contact us.