Zinc Powder

Zinc Powder is a highly reactive metallic form of zinc with large surface area, excellent reducing power, and strong corrosion resistance when applied in protective coatings. Its fine particulate form makes it ideal for galvanizing, alloying, and battery applications. Industries including energy storage, metallurgy, and chemical processing employ zinc powders in batteries, sacrificial coatings, and catalyst formulations. Specific applications include anodes in zinc-carbon and zinc-air batteries, corrosion-resistant galvanizing sprays, and reducing agents in organic synthesis. In research, zinc powder is studied for energy storage efficiency, hydrogen generation in water-splitting, and role in nanostructured zinc oxide synthesis. Its versatility, reactivity, and abundance ensure zinc powders remain indispensable in batteries, protective coatings, and catalytic systems, bridging traditional metallurgy and renewable energy innovation.

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Tolerance

Properties

Reference & Citations

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Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	30
Crystal structure	Hexagonal close packed
Electronic structure	Ar 3d¹⁰ 4s²
Valences shown	2
Atomic weight( amu )	65.38
Thermal neutron absorption cross-section( Barns )	1.1
Photo-electric work function( eV )	4.3
Natural isotope distribution( Mass No./% )	64/ 48.6
Natural isotope distribution( Mass No./% )	67/ 4.1
Natural isotope distribution( Mass No./% )	68/ 18.8
Natural isotope distribution( Mass No./% )	70/ 0.6
Natural isotope distribution( Mass No./% )	66/ 27.9
Atomic radius - Goldschmidt( nm )	0.137
Ionisation potential( No./eV )	6/ 108
Ionisation potential( No./eV )	1/ 9.39
Ionisation potential( No./eV )	4/ 59.4
Ionisation potential( No./eV )	3/ 39.7
Ionisation potential( No./eV )	2/ 17.96
Ionisation potential( No./eV )	5/ 82.6

Mechanical Properties

Element	Value
Hardness - Mohs	2.5
Material condition	Polycrystalline
Poisson's ratio	0.249
Bulk modulus( GPa )	69.4
Tensile modulus( GPa )	104.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	5.96@20@20°C
Superconductivity critical temperature( K )	0.85
Temperature coefficient( K⁻¹ )	0.0042@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.76

Physical Properties

Element	Value
Boiling point( C )	907
Density( gcm⁻³ )	7.14@20°C

Thermal Properties

Element	Value
Melting point( C )	419.5
Latent heat of evaporation( J g⁻¹ )	1748
Latent heat of fusion( J g⁻¹ )	111
Specific heat( J K⁻¹ kg⁻¹ )	388@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	116@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	31@0-100°C