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The zinc powder formula (ZnO) is a highly conductive, semiconductor material. It has a wide bandgap, high electron mobility and high transparency.
Zinc powder is used in a wide range of applications, including in paints and coatings. It also acts as a reducing agent and catalyst in a variety of chemical reactions.
Common uses of zinc powder include: lubricants, chemical formulations, protective coatings, paints, brake linings and alkaline batteries.
Safety Datasheet
Zinc dust is very reactive and must be stored and disposed of safely, preferably under argon. It should not be mixed with strong oxidising agents, such as chlorine or fluorine, or in contact with water.
Uses for this powder vary, but it is often used as a white pigment in paints and watercolors in the painting industry. It is also a reducing agent, a component of welding fumes and a cathodic protection material.
Using the powder and sulfur together gives a very unusual chemical reaction. When heated, the two powders produce a brilliant flash of light, hot sparks, a hissing sound and a mushroom-shaped cloud of white smoke.
The reaction between zinc powder and sulfur is an important one in chemistry. The zinc ions are essential for skin and bone growth, while sulfur is found in proteins and many enzymes.