Black Iron Oxide – Fe3O4 – Synthetic – 1 Pound




  • 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 welding, pigments, ceramics, experiments, along with a lot of other uses
  • Used in magnetic putty, magnetic slime, and other experiments
Shipped in a resealable bag that is sealed for safety and freshness. It includes a tear-off tab for easy opening. Ideal for making magnetic putty/slime. Gloves are recommended when using it since it is a very fine pigment powder.