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Niobium Carbide Powder, NbC, CAS 12069-94-2

HMCP-1706

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Niobium Carbide (NbC) Powder is a black powder with a cubic crystal structure. It has a high melting point of 3500℃, which is widely used in refractory high-temperature materials. Heeger Materials offers the best Niobium Carbide Powder at high quality and competitive prices. The purity and particle size can be tailored according to specific requirements.

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Data sheet

Purity99.5%
CAS12069-94-2
Molecular FormulaNbC

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Niobium Carbide (NbC) Powder is a metallic luster powder with high hardness, which is harder than corundum. It is usually processed by sintering and is a common additive used as a grain growth inhibitor in cemented carbides.

Niobium Carbide Powder, NbC, CAS 12069-94-2

  • Formula: NbC
  • Density: 7.6 g/cm3
  • Melting point: 3500℃
  • Microhardness: >23.5 GPa
  • Molecular weight: 104.923 g/mol

Niobium Carbide Powder Specifications

Product

Particle Size FSSS (μm)

Chemical Composition (%)

Total Carbon

Free Carbon

Impurity (%max)

Ta

W

Ti

Si

Na

Fe

O

N

K

Ca

HM-NbC-1

0.8-1.0

11-11.4

≤0.30

0.20

0.10

0.02

0.01

0.01

0.05

0.50

0.20

0.01

0.01

HM-NbC-2

1.0-1.5

11-11.4

≤0.30

0.20

0.10

0.02

0.01

0.01

0.05

0.50

0.20

0.01

0.01

HM-NbC-3

1.5-2.0

11-11.4

≤0.30

0.20

0.10

0.02

0.01

0.01

0.05

0.50

0.20

0.01

0.01

Niobium Carbide Powder Properties

Niobium Carbide (NbC) Powder is a high-hardness material with good chemical stability and high-temperature performance.

NbC Powder - SEM

  • Insoluble in hot and cold hydrochloric acid, sulfuric acid, and nitric acid.
  • Soluble in hot hydrofluoric acid and nitric acid mixed solution. 
  • Stable at 1000-1100°C.
  • Oxidizing rapidly to niobium pentoxide above 1100°C.
  • Easily fused in compounds such as titanium carbide, zirconium carbide, and tungsten carbide, and together they produce a homogeneous solid solution mixture.

Niobium Carbide Powder Applications

  • Used as a hard alloy additive
  • Used in producing wear-resistant films and semiconductor films
  • Used to prepare carbide tool materials with excellent cutting performance
  • Processed into purple artificial gemstones

Niobium Carbide Powder Storage and Packing

Niobium Carbide (NbC) Powder should be sealed and stored in a dry, cool environment with inactive anti-static packaging, avoiding being exposed to the air for a long time. The vacuum package is 100g, 500g, 1kg/bag, 50kg/drum, or as required.

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