Belzona 1121 (Super XL-Metal)

1000 Series — Metallic Polymers

Belzona 1121

An epoxy-based repair composite with extended working life for metal repair.

A 2-part repair composite for metal repair and resurfacing based on 100% solids epoxy resin reinforced with silicon steel alloy. Developed to offer an extended working life, ideal for large applications where greater volumes of material are required or to provide adequate working time at higher temperatures.

Belzona 1121 Super XL-Metal

Product Description

A 2-part repair composite for metal repair and resurfacing based on 100% solids epoxy resin reinforced with silicon steel alloy. This repair material has been developed to offer an extended working life, ideal for large applications where greater volumes of material are required or to provide adequate working time at higher temperatures. Belzona 1121 (Super XL-Metal) will not corrode and resists a wide range of chemicals. It is easy to mix and apply without the need of specialist tools and can be machined using conventional tools.

Key benefits:

  • Multi-purpose durable repair composite with extended working life
  • Fully machinable using conventional tools
  • Application and cure at room temperature — no hot work involved
  • Simple mixing ratio
  • Reduced health and safety risks as it is 100% solids
  • No shrinkage, expansion or distortion
  • Excellent adhesion to metals including stainless steel, carbon steel, aluminium, brass and copper
  • Will adhere to many other natural and synthetic materials including glass and wood
  • Outstanding corrosion resistance
  • Excellent chemical resistance against a wide range of chemicals
  • Excellent electrical insulation characteristics

Applications for Belzona 1121 (Super XL-Metal) include:

  • Resurface of large pitted metal surfaces
  • Repair of damaged shafts and hydraulic rams
  • In-situ flange repair
  • High strength structural adhesive for metal bonding
  • Creation of irregular load bearing shims and reforming of bearing housings

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

Photo Gallery

Severely corroded shaft
Severely corroded shaft
Large diameter shaft repair
Large diameter shaft repair
Deteriorated gas disposal pipework
Deteriorated gas disposal pipework
Plates bonded over problem areas
Plates bonded over problem areas
Surface of sump ready for Belzona repair
Surface of sump ready for Belzona repair
Repaired sump
Repaired sump
Corroded and leaking pipe
Corroded and leaking pipe
Leaking pipe sealed
Leaking pipe sealed
Absorber throat damaged by corrosion
Absorber throat damaged by corrosion
Steel plates bonded over damaged area using Belzona
Steel plates bonded over damaged area using Belzona

Frequently Asked Questions

How do you use Belzona 1121 to fill holes in metal without welding?

Belzona 1121 is a 2-part epoxy composite for metal repair and resurfacing. The paste is applied directly onto the application site with a plastic applicator or spatula. Press down the product firmly to fill all cracks, remove entrapped air, and ensure maximum contact with the surface. Belzona 1121 can be contoured to the correct profile with a plastic applicator or allowed to cure and then machined down to create a smooth profile. In addition, Belzona 9341 (Reinforcement tape) can be stippled over cracks, gaps, and holes, allowing it to fill holes in metal without welding.

What is the cure time of 2-part epoxy, Belzona 1121?

The cure time for 2-part paste-grade epoxy system, Belzona 1121 varies depending on the ambient conditions and will be reduced for thicker sections and extended for thinner sections. Please see the product's Instructions for Use for more information.

Technical Data

ProductBelzona 1121 (Super XL-Metal)
Series1000 Series
Type2-part epoxy composite
Base100% solids epoxy resin
FillerSilicon steel alloy
Working lifeExtended (vs standard)
ApplicationSpatula / applicator
CureRoom temperature
MachinableYes — conventional tools
ApprovalsABS Approval

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