503 SPEP is a solvent free epoxy primer specifically formulated to seal and strengthen concrete and cementitious surfaces. Its thin, penetrating formula allows it to absorb deeply into porous materials, providing a solid foundation for Resimac chemical and corrosion topcoats. This primer is ideal for industrial applications where strong adhesion and long term durability are essential.

With the ability to cure at temperatures as low as 5°C (41°F), 503 SPEP is well suited for cold environments and ensures consistent, long lasting performance in challenging conditions. The easy-to-use formula simplifies application, making it a reliable choice for internal and external concrete surfaces.

Key Features

  • Penetrates deeply into porous/cementitious substrates
  • Ensures high mechanical adhesion with Resimac topcoats
  • Cures at temperatures as low as 5°C (41°F)

Typical Applications

  • Penetrating primer for concrete and cementitious surfaces
  • Internal & external tank surfaces
  • Floors
  • Structural concrete

Real World Applications

Find out how 503 SPEP 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.