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Belzona & Noverox - Belzona 1000 Series
Belzona 1331

A 2-part spray or brush applied epoxy coating for erosion and corrosion protection of equipment operating under continuous immersion up to 50C (122F). This solvent-free coating can be easily mixed and applied at ambient temperatures as a one or two coat system. Its 24 hours overcoating window allows large applications to be quickly completed, reducing downtime.

Due to its capability for high film build in a single coat without sagging and superior erosion resistance, Belzona 1331 is ideally suited to be used as an epoxy pipe lining for protection of girth welds on internal field joints. This new generation spray-applied filler free coating provides the robust protection of a ceramic coating without causing wear or damage to spray equipment.

Key benefits:

  • Outstanding erosion and corrosion resistance under immersed conditions
  • Rapid application by airless spray without wear to spray equipment; can also be brush applied where required
  • Allows for one or two coat application with 24 hours overcoat window
  • Capable of high-build application (> 1250 microns) in a single coat without sagging
  • Excellent cathodic disbondment resistance
  • Excellent flexibility, toughness and impact resistance
  • Outstanding chemical resistance against a wide range of chemicals
  • Available in light colours to aid visibility in dark vessels during application and inspection
  • Application and cure at room temperature - no hot work involved
  • Reduced health and safety risks as it is solvent-free
  • Excellent adhesion to most metal surfaces including carbon steel, stainless steel and specialist steels

Applications for Belzona 1331 include:

  • Erosion and corrosion resistant coating for process vessels, separators, pumps, heat exchangers and condensers operating under immersion
  • Epoxy pipe lining for protection of girth welds on internal field joints
  • Repair of worn and damaged chutes and hoppers
  • Long-term corrosion protection of scrubber units
Key technical data:
Working life at 25C (77F) 40 minutes
Time to immersion service at 20C (68F)3 days
Pull off adhesion (D4541 / ISO 4624)4900 psi (33.8 MPa) on grit blasted mild steel
Coverage ratePractical coverage rate for a 2 coat system: 
2.1 sq.m. (22.6 sq.ft.) per kilogram per coat
Temperature resistance50C (122F) immersed, 120C (248F) dry
Bonds toCarbon steel, stainless steel, specialist alloys and other metals and materials
Typical applicationsSpray or brush applied epoxy coating for erosion and corrosion protection of equipment under immersion
Unit size550g, 2.5 ltr, 7.5 ltr. Pack sizes may vary locally

* All products are subject to regional restrictions. Check with your local Distributor for more information


WRAS Approved Material

Bureau Veritas logo

More information:

For more information about Belzona 1331 contact us or find your local distributor.

You can apply to join Belzona Connect to access additional information including SDS and instructions for use.

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