#7 Flux Bottle , Required for Castaloy & Steelaloy Repairs

#7 Flux is the companion product for Castaloy (cast iron repair) and Steelaloy (steel repair). Flux prevents oxidation during the brazing process, ensuring the cleanest, strongest possible bond between the repair alloy and the base metal.

When You Need Flux

• Castaloy (cast iron repair): Flux recommended for optimal results
• Steelaloy (steel repair): Flux required
• Alumaloy (aluminum repair): Flux NOT needed , Alumaloy is 100% fluxless

How to Get Flux for Free

We include a free flux bottle when you order 4 or more rods of Castaloy or 20 or more rods of Steelaloy. Check our Castaloy Special and Steelaloy Special bundles for the best value.

What's in the Box

• 1 × Bottle of #7 Flux

We highly recommend purchasing an extra bottle with any Castaloy or Steelaloy order to ensure you have enough flux for your complete repair project.