Borax Flux-1Lb

Borax Casting Flux Powder helps control oxidation during melting and pouring, keeping metal cleaner for better fills and fewer inclusions. Use as a general casting flux or for crucible prep. Sold in a one-pound (1 lb) box.

Features

• Controls oxidation during melting and casting
• Keeps melts cleaner; helps reduce slag and inclusions
• Suitable for crucible prep — use alone or mixed with boric acid
• Easy to sprinkle or spoon into the melt

Specifications

How to Use

1. Sprinkle a small amount of borax into the crucible before charging metal to help glaze and protect the surface.
2. Add a pinch to the melt as needed to maintain a clean, glassy cover while heating.
3. For crucible conditioning, coat the hot crucible interior with a light layer of borax and rotate to distribute.

Applications

• Melting and pouring ingots
• General casting operations
• Crucible preparation and maintenance

Notes

Borax vs. Boric Acid: They are two different formulations related to boron chemistry. Borax is a naturally occurring mineral used here as a casting flux; boric acid is a refined derivative. Both can be used during melting to help clean metal and may be mixed for certain shop practices, including crucible prep.

Use appropriate PPE — gloves, eye protection, and fume management — when melting and pouring. Avoid inhalation of dust; keep container closed when not in use. Follow your foundry and crucible manufacturer's recommendations.