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Zinc Disk
Available Configurations
Properties common to all products in this list
| Purity | Thickness | Diameter | Temper ⓘ |
|---|---|---|---|
| 99.7% (2N7) and 99.99% (4N) | 0.001 mm (foil) to 2 mm (sheet) | 4 mm to 50.8 mm | As Rolled |
Need custom configurations? Please contact us.
Key Features
Zinc Disk at up to 99.99% purity is a precision-cut circular zinc component combining moderate electrical conductivity, good corrosion resistance, and a hexagonal close-packed crystal structure in a ready-to-use geometry suited to electrochemical and corrosion research:
Naturally Forming Protective Oxide Layer for Atmospheric & Aqueous Corrosion Resistance
Zinc Disk's naturally forming protective oxide layer provides good resistance to atmospheric and aqueous corrosion, making it a reliable substrate for corrosion coupon studies in marine and industrial environments where consistent, well-characterized corrosion behavior is required for comparative testing.
Low Melting Point (419.5 °C) & Moderate Hardness (2.5 Mohs) for Straightforward Processing
A low melting point of 419.5 °C and moderate hardness of 2.5 on the Mohs scale make Zinc Disk straightforward to process and integrate into test assemblies — simplifying preparation for electroplating reference substrates and electrochemical test fixtures without specialist machining requirements.
Established Battery Anode Material for Electrode Development
Zinc's well-established role as an anode material in primary and secondary battery chemistries makes the disk format a convenient platform for electrode development and Coulombic efficiency studies under controlled conditions — providing a standardized circular geometry for systematic battery material research.
Hexagonal Close-Packed Structure for Well-Characterized Electrochemical Behavior
Zinc's hexagonal close-packed crystal structure underpins its well-documented electrochemical behavior, giving Zinc Disk a reproducible foundation for electrochemical analysis and battery anode material development where crystallographic consistency supports comparable experimental results across test specimens.
Reproducible Substrate for Electrochemical Analysis & Coating Investigations
In research, Zinc Disk is widely used in electrochemical analysis, battery anode material development, and coating system investigations where a well-characterized, reproducible zinc substrate in a defined circular geometry is required for systematic and comparable experimental programs.
Industrial Applications
Zinc Disk is used across battery research, electroplating reference work, and corrosion testing wherever a precision circular zinc component with well-characterized electrochemical behavior is required:
- ✦ Sacrificial Anode Test Specimens
- Used as sacrificial anode test specimens, where zinc's well-documented electrochemical behavior and naturally forming protective oxide layer provide a standardized circular geometry for evaluating cathodic protection performance under controlled laboratory conditions before scale-up to full anode production.
- ✦ Electroplating Reference Substrates
- Applied as electroplating reference substrates, where Zinc Disk's consistent surface condition and moderate hardness of 2.5 on the Mohs scale provide a reproducible platform for evaluating plating bath chemistry, current density effects, and deposit quality in galvanization process development.
- ✦ Corrosion Coupon Studies in Marine & Industrial Environments
- Used as corrosion coupon studies in marine and industrial environments, where zinc's naturally forming oxide layer and well-characterized corrosion behavior provide a standardized reference specimen for comparative corrosion rate measurement and coating system performance evaluation under real or simulated service conditions.
- ✦ Battery Anode Material Development & Coulombic Efficiency Studies
- Used in battery anode material development and Coulombic efficiency studies, where zinc's well-established role as an anode material in primary and secondary battery chemistries, combined with the disk format's standardized geometry, supports systematic electrode performance evaluation under controlled experimental conditions.
- ✦ Electrochemical Analysis & Coating System Investigations
- Widely used in electrochemical analysis and coating system investigations, where a well-characterized, reproducible zinc disk substrate provides the defined geometry and surface condition required for systematic comparative studies of electrochemical behavior, coating adhesion, and corrosion protection mechanisms.
Material 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 |
| Element | Value |
|---|---|
| Hardness - Mohs | 2.5 |
| Material condition | Polycrystalline |
| Poisson's ratio | 0.249 |
| Bulk modulus( GPa ) | 69.4 |
| Tensile modulus( GPa ) | 104.5 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 5.96@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 |
| Element | Value |
|---|---|
| Boiling point( C ) | 907 |
| Density( gcm⁻³ ) | 7.14@20°C |
| 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 |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Diameter | ±0.5mm |