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Belzona 4301 (Magma CR1 Hi-Build)

A durable, two-parts repair composite for long-term metal and concrete protection from a broad range of chemicals, especially concentrated inorganic acid and alkalis (e.g. nitric acid, sulfuric acid, sodium hydroxide).

This paste-grade material is ideally suited for rebuilding surfaces damaged as a result of chemical attack and for the repair of damaged chemical resistant linings. It can also be used for profiling and fairing rough surfaces prior to the application of a suitable Belzona coating.  

This solvent-free material is easy to mix and apply without the need of specialist tools and cures at room temperature.

Key benefits:

  • Excellent chemical resistance against a wide range of chemicals, especially concentrated inorganic acids and alkalis 
  • 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 insulation characteristics 
  • Excellent bonding to all rigid substrates including concrete, stainless steel, mild steel, carbon steel. 
  • High compressive strength 

Applications for Belzona 4301 (Magma CR1 Hi-Build) include:

  • Pit filling
  • Plate bonding 
  • Damaged or worn flange faces
  • Nozzle inserts 
  • Acid-retaining walls 
  • Chemical channels 
  • Chemical drains
  • Chemical transfer and holding areas 
  • Pump bases and plinths
  • Internal furniture attachment
  • Weld seams 

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