LA-CO Soldering Flux Paste - 475g - LA-CO

LA-CO Soldering Flux Paste is a water-soluble, non-acidic, non-toxic, and lead-free paste designed...

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Travis PerkinsLA-CO Flux Regular Can 125g
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Blueperry agriculture (UK)La-Co Regular Soldering Flux 125G Lac-22105
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Power Tools DirectLa-Co Lac-22105 22105 Regular Soldering Flux 125G
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Rapid Online - Rapid Electronics Ltd.LA-CO 22105 Regular Soldering Flux Paste 125g
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Product Information

Full details

This guide is for plumbers and DIY enthusiasts who need a reliable flux for soldering applications. LA-CO Soldering Flux Paste provides a clean, lead-free, and water-soluble solution that ensures strong, corrosion-resistant joints. A key caveat: it is not suitable for use with stainless steel or aluminum.

All features

Model Part Number22108
BrandLaco

Extended Product Information

FAQs

Is this flux safe for drinking water?

Yes, LA-CO Soldering Flux Paste is UK-WRAS approved and safe for use with potable water systems.

What materials can I use this flux on?

You can use this flux on copper, brass, galvanized iron, lead, zinc, tin, silver, nickel, mild steel, terne plate, and malleable iron.

What materials should I avoid using this flux on?

Avoid using this flux on stainless steel or aluminum.

How do I clean up the flux after soldering?

You can clean up the flux with a damp cloth.

Why is it important to clean the pipe surfaces before applying the flux?

Cleaning the pipe surfaces ensures that the solder will flow properly and create a strong, leak-proof joint.

How should I store the flux?

Store the flux in a cool, dry place and ensure the container is tightly closed when not in use.

What happens if I get flux inside the pipes?

While unlikely to cause immediate harm, it's best to avoid getting flux inside the pipes. Ensure your application is limited to the pipe ends.

Troubleshooting

Solder not flowing properly.

Ensure surfaces are clean and free of oxidation. Apply a thin layer of flux and heat the pipe to the correct temperature.

Joint leaks after soldering.

Make sure you've applied enough heat to the joint. Reheat and add more solder if necessary. Check for any gaps.

Flux residue remains after cleaning.

Use a slightly wetter cloth to wipe away the excess flux.

Pros and Cons

Pros

  • Easy to clean up with water.
  • Non-toxic and safe for potable water systems.
  • Prevents corrosion with its pH-neutral formula.
  • Compatible with a wide range of common plumbing materials.
  • Ensures strong, reliable solder joints.

Cons

  • Not suitable for use on stainless steel or aluminum.
  • Requires proper surface preparation for optimal results.
  • Excessive application can lead to a messy joint.

Setup, Compatibility & Care

  1. Preparation: Clean the surfaces of the pipes thoroughly before applying the flux. Use a wire brush or emery cloth to remove any oxidation or debris.
  2. Application: Apply a thin, even layer of LA-CO Soldering Flux Paste to the pipe ends. Avoid getting flux inside the pipes.
  3. Soldering: Heat the pipes to the correct temperature for the solder you are using. Apply the solder to the joint, allowing it to flow around the connection.
  4. Cleaning: After soldering, remove any excess flux with a damp cloth.

Compatibility: This flux is compatible with copper, brass, galvanized iron, lead, zinc, tin, silver, nickel, mild steel, terne plate, and malleable iron. It is *not* compatible with stainless steel or aluminum.

Care: Store the flux in a cool, dry place. Ensure the container is tightly closed when not in use to prevent it from drying out.

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