Black Iron Oxide – Fe3O4 – Synthetic – 5 Pounds

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 . Fe3O4, also known as magnetite or Iron (II,III) Oxide This comes from a synthetic source and […]