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Black Iron Oxide, Fe3O4, Thermite / Magnetic Silly Putty, 10 Lbs
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Iron Oxide – Black (Fe3)O4 with a purity of 99% and a mesh size of 325, 10 Lbs
Uses include – ceramics, pigment, cosmetic colorant (commercial applications), metallurgy, mordant, feed additive, concrete colorant, the Gold Schmidt reaction, magnetic tapes, magnets, welding