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Cobalt Powder

UrbanMines specializes in producing high purity Cobalt Powder with the smallest possible average grain sizes, which are useful in any application where high surface areas are desired such as water treatment and in fuel cell and solar applications.  Our standard powder particle sizes average in the range of ≤2.5μm, and ≤0.5μm.

  • Order(MOQ):

    500kg
  • Product Detail

Cobalt ※ In German it means the soul of the devil.

Atomic number=27
Atomic weight=58.933200
Element mark=Co
Density●8.910g/cm 3 (αtype)

Making method ●calcinate ores into oxide, solve in acid hydrochloric to remove 

impure matter and then use appropriate reducing agent to obtain metal. 


Cobalt Powder Properties

Appearance: grey powder, odorless
●Boiling point=3100℃
●Melting point=1492℃
Volatility: None
Relative weight: 8.9(20℃)
Water solubility: None
Others: soluble in dilute acidOthers: soluble in dilute acid


About Cobalt Powder


One of iron family elements; grey metal; slightly rusty on the surface in the air; slowly solve in acid and generate oxygen; used as catalyst for petroleum compound or other reactions; also used in the pigment of ceramics; mainly produced naturally; can also be produced together with arsenic or sulfur; usually contain a small amount of niekel. 


High Purity Small Grain Size Cobalt Powder

Item No Component Large loose specific weight Particle dia.
UMCP50 Co99.5%Min. 0.5 ~ 0.7g/cc ≤0.5μm
UMCP50 Co99.5%Min. 0.65~0.8g/cc 1~2μm
UMCP50 Co99.5%Min. 0.75~1.2g/cc 1.8~2.5μm




Packing: Vacuum packaging with aluminum foil paper; packaging with iron drum on the outside; packaging according to customers’ requirements.



What is Cobalt Powder used for?


Cobalt powder has been used in the preparation of cobalt-based alloys and composites as anode materials, and is also useful in any application where high surface areas are desired such as water treatment and in fuel cell and solar applications.


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