Gold Electro Formed Gauze

Gold Electro Formed Gauze combines the exceptional conductivity, chemical stability, and corrosion resistance of gold with the precision and structural control of electroforming technology. Manufactured through electrodeposition onto precision molds, this gauze offers uniform aperture sizes and fine mesh geometry, making it invaluable in advanced filtration, signal shielding, and electrochemical applications. Its primary uses span aerospace, vacuum electronics, and catalysis, particularly where chemically inert conductive meshes are essential. Technologies benefiting from this gauze include particle filtering in ultra-high vacuum systems, precision ion and electron beam collimation, and catalyst supports in fuel cells. Electroforming ensures excellent dimensional reproducibility, enabling gauzes with complex geometries or ultra-fine wire profiles without compromising mechanical integrity. Gold Electro Formed Gauze is an enabling material for research in nanostructured catalysts, microfluidics, and high-frequency electromagnetic shielding, providing a platform where electrical, chemical, and structural performance must co-exist in demanding industrial and scientific contexts.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Mesh/Gauze

Linear dimension	<100mm	±1mm
Linear dimension	>=100mm	+2% / -1%
Wire Diameter	Woven	±10%

Material Properties for Precious Metals

Atomic Properties

Element	Value
Atomic number	79
Crystal structure	Face centred cubic
Electronic structure	Xe 4f¹⁴ 5d¹⁰ 6s¹
Valences shown	1,3
Atomic weight( amu )	196.9665
Thermal neutron absorption cross-section( Barns )	98.8
Photo-electric work function( eV )	4.8
Atomic radius - Goldschmidt( nm )	0.144
Ionisation potential( No./eV )	1/ 9.22
Ionisation potential( No./eV )	2/ 20.5

Mechanical Properties

Element	Value
Material condition	Soft
Material condition	Hard
Poisson's ratio	0.42
Poisson's ratio	0.42
Bulk modulus( GPa )	171
Bulk modulus( GPa )	171
Tensile modulus( GPa )	78.5
Tensile modulus( GPa )	78.5
Hardness - Vickers( kgf mm⁻² )	20-30
Hardness - Vickers( kgf mm⁻² )	60
Tensile strength( MPa )	130
Tensile strength( MPa )	220
Yield strength( MPa )	205
Yield strength( MPa )	-

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	2.20@20@20°C
Temperature coefficient( K⁻¹ )	0.004@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.74

Physical Properties

Element	Value
Boiling point( C )	3080
Density( gcm⁻³ )	19.3@20°C

Thermal Properties

Element	Value
Melting point( C )	1064.4
Latent heat of evaporation( J g⁻¹ )	1738
Latent heat of fusion( J g⁻¹ )	64.9
Specific heat( J K⁻¹ kg⁻¹ )	129@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	318@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	14.1@0-100°C