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JMC (USA), Inc.

High Purity Cobalt

Electrolytic Plate EB Melted Billet

JMC has produced high purity Cobalt Metal since 1997. The production process was developed in-house based on JMC's unique electrolytic manganese dioxide technology developed at its facility in Takaoka, Japan.

Cobalt purity is guaranteed 4N5 (99.995%) minimum based on metallics. Higher purity grades, such as 5N (99.999%), are available on a limited volume basis to meet emerging customer demands for higher quality product.

JMC's high purity cobalt is also available as an electron beam melted billet. Please contact us for additional information regarding billets.

Grade 4N5
Element Specification Typical
Metalic
Elements
(ppm Max
ex Co)
Co 99.995% Min 99.998%
Na 1 <0.5
Al 1 <0.4
K 1 <1
Cr 1 <0.3
Mn 1 <0.2
Fe 2 <0.6
Ni 10 2.2
Cu 2 0.8
Pb 1 <0.1
Other
(ppm Max)
C 50 20
S 10 <10
O 100 30
N 10 10

Home | Company Profile | Chromium | Cobalt | Hydrogen Storage Alloy | Ceramics | Ferrite | Contact | JMC Japan