Inoxia Chemical Supplies

Iron (III) oxide is used in fireworks for priming compositions where high temperatures are required; there are also a few formulas with aluminium powder which create a crackling effect. Rust is particularly well know for it’s use in the thermite reaction, which can be used to weld steel.

Purity: 90%
Particle size: 95% < 170 mesh (~53µ)
Colour: Brick red
Odour: Odourless
Formula: Fe₂O₃
Impurities: SiO₂ (7%), Al₂O₃ (3%), all maximums
Melting Point: 1300-1700°C