Black Iron Oxide - Fe3O4 - Synthetic - 5 Pounds

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Shipped in a resealable bag that is sealed for safety and freshness. It includes a tear-off tab for easy opening.

Fe3O4, also known as magnetite or Iron (II,III) Oxide
This comes from a synthetic source and is produced by Rockwood
Particle size runs about 0.30 micron
Used in thermite welding, fertilizers, pigments, ceramics, along with a lot of other uses
We sell bulk for so many different uses, we don't include any specific use instructions