Belzona 4311 (Magma CR1)

A chemical resistant epoxy coating for protection of concrete and metal surfaces. 

Belzona 4311 (Magma CR1)

A durable, 2-part epoxy coating for the long-term protection of concrete and metal surfaces from chemical attack. This solvent-free coating isolates concrete and metal surfaces from aggressive chemicals especially acids and alkalis. It is easy to mix and apply by hand or spray without the need of specialist tools and cures at room temperature.

Key benefits:

  • Excellent chemical resistance against a wide range of chemicals
  • Easy to mix and apply with no specialist tools
  • Reduced health and safety risks as it is solvent-free
  • Application and cure at room temperature - no hot work involved
  • No shrinkage, expansion or distortion
  • Excellent electrical insulator
  • Excellent bonding to all rigid substrates including concrete, stone, brick, stainless steel, mild steel, carbon steel and copper
  • High compressive strength

Applications for Belzona 4311 (Magma CR1) include:

  • Chemical resistant coating for bund areas, chemical spill areas, concrete tank plinths and retaining walls
  • Sealing of chemical drains and channels
  • Protecting concrete pump bases and casings from chemical spill
  • Creation of non-slip walkways in chemical containment areas when combined with aggregate
  • Coating of pump impellers and volutes to prevent chemical attack
Key technical data:
Working life at 20°C (68°F) 20 minutes
Time to vehicular traffic cure at 20°C (68°F) 18 hours
Recommended coverage rate (1.5kg unit) Theoretical coverage rate of a 1.5L unit is 64.6 sq.f. (6m2) at the recommended thickness of 10 mil (250 micron) per coat.
Pull off adhesion (D4541 / ISO 4624) 4710 psi (32.5MPa) ambient cure on blasted mild steel
Compressive strength (ASTM D695) 8,570psi (59.1MPa) ambient cure
Temperature resistance 60°C (140°F) immersed, 217°C (423°F) dry
Bonds to Concrete, stone, brick, aluminium, copper, steel, stainless steel, cast iron and many more
Typical applications Coating of concrete and metal for chemical resistance
Unit size 1.5l, 10l. Pack sizes may vary locally
Colors Red, Grey
Availability* Global

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


More information:

For more information about Belzona 4311 (Magma CR1) please 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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