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Aluminum powder is powdered aluminum. This was originally produced by mechanical means using a stamp mill to create flakes. Subsequently, a process of spraying molten aluminum to create a powder of droplets was developed by E. J. Hall in the 1920s. The resulting powder might then be processed further in a ball mill to flatten it into flakes for use as a coating or pigment. Aluminum powder is non-toxic and is not harmful unless injected directly in a major blood vessel such as the aorta. Aluminum powder, if breathed in, is not particularly harmful and will only cause minor irritation. The melting point of aluminum powder is 660 °C.
Video Aluminium powder
Usage
- cosmetic colorant
- pyrotechnic
- in paints as metallic silver pigment
- fingerprint powder
- Rocket and missile fuel
- thermite
- refractory
Depending on the usage, the powder is either coated or uncoated.
Maps Aluminium powder
See also
- Metal powder
- Technology portal
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References
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External links
- https://www.cdc.gov/niosh/ipcsneng/neng0988.html
Source of article : Wikipedia
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