Copper Repair Stick 57gm

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  • Extremely fast curing 2-part epoxy adhesive that can be shaped by hand and sets hard. Perfect for repairing copper pipes and parts.
  • Copper filled epoxy putty that is very simple to use with no complex mixing.
  • NSF approved for use in drinking water applications (ideal for sealing and patching pipes).

Weicon Copper Repair Stick is the perfect solution for making fast, lasting and non-rusting repairs to copper pipes, parts and components. This epoxy putty is manufactured in Germany from epoxy resin filled with fillers and has a copper coloured appearance once its cured. Like the rest of our Weicon Repair Stick Range, Copper Repair Sticks are dead simple to use and require no complex mixing. Just cut off the amount you want, knead it in your hands and apply.

Copper Repair Sticks bond well to a variety of materials, surfaces and substrates. These obviously include copper but, in addition, high compatibility is also achieved with a wide range of metals (including aluminium, cast iron, brass and stainless steel) and is also used on hard plastics, fibre reinforced materials, wood, derived timber products, glass, ceramics and stone. It is not suggested for use on rubber materials.

Weicon Copper Repair Stick has been tested and certified in accordance with NSF for use in and around drinking water and food processing systems. It will tolerate some slight wetness or dampness in the application area and is very fast curing (pot life 3 minutes, handling strength after just 10 minutes).

Applications for Copper Repair Sticks

  • Hot and cold water pipe repairs and sealing.
  • Repairs and patching of holes in pipe bends and fittings.
  • Flange repair and sealing.
  • Repairs to worn or rusted copper gutters or sheets.
  • Water heater repair and hole filling.
  • Water tank and hot water system and line repairs.
  • Heating, ventilation and air conditioning system repair and installation.
  • Freeze patching and repairs.

Not sure if this is the right type of repair stick for you? Our comprehensive Epoxy Repair Stick Buying guide goes through all the differences between the grades, explains where they are typically used and shows you how to use them. 


Can it be painted?

Yes, once it is 100% cured. All of our Weicon Repair Sticks can be painted.

What if I don’t use the whole pack?

That’s fine. Just make sure you only mix the amount you need. Pot life doesn’t start until the two components are mixed which is why you need to cut off and knead just the amount you are going to use. It is suggested that any remains have their little foil cover put back over the end, be placed back in their tube, and be kept in the fridge if at all possible as this will extended the useful life of the product.

How hard is it once it’s set?

There’s no easy way to answer this as hard is a little subjective. Let’s just say very, like copper actually. The attached technical data sheet on our Weicon Copper Repair stick gives more specifics of course.

Colour: Copper (Once Cured)

Continuous Operating Temperature: -50°C to 120°C

Short Term Operating Temperature: 150°C (2 Hours Maximum)

Maximum Gap Filling: 15mm

Basis: Epoxy Resin with Copper Fillers

Food Grade: Yes (NSF Approved)

Potable Water: Yes (NSF Approved)

Density: 1.9 g/cm³

Pot Life (for 25gm at 20°C): 3 Minutes

Handling Strength (35% of Final): 10 Minutes

Mechanical Strength (50% of Final): 60 Minutes

Final Strength (100%): 24 Hours

Shore Hardness: 80 Shore D

Dielectric Strength: 3 kV/mm

IMPA: 81 29 75 (57gm) and 81 29 76 (115gm)

ISSA: 75.530.04 (57gm) and 75.530.05 (115gm)

Material Computability

Metal (e.g. stainless steel, brass, cast iron, aluminium): Highly Compatible

Hard Plastics* (e.g. epoxy laminates, rigid PVC): Compatible

Wood (e.g. oak, beech, spruce, balsa): Compatible

Derived Timber Products (e.g. plywood, MDF): Compatible

Fibre Reinforced Materials (e.g. GFRP, CFRP, Fibreglass):Compatible

Glass, Ceramics: Compatible

Stone (e.g. granite, brick, concrete, marble): Compatible

Rubber Elastomers: Not Compatible

*Performance will vary depending on the exact type of plastic being bonded. Generally, low surface energy plastics will be much harder to bond to then high surface energy (such as rigid PVC).

For more information, including instruction for use, please consult the TDS and SDS for this repair stick which are both located on the media tab.

SKU SWP000035
Brand Weicon

Weicon Copper Repair Stick Technical Data Sheet

Weicon Copper Repair Stick TDS

Weicon Copper Repair Stick Safety Data Sheet

Weicon Copper Repair Stick SDS

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