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Manganese Foil (Light Tight)
Available Configurations
Properties common to all products in this list
| Purity | Thickness | Sides | Support Options | Other Variant |
|---|---|---|---|---|
| 98.7% (1N87) to 99.95% (3N5) | 0.02 mm (foil) to 2 mm (sheet) | 10 mm to 50 mm | 0.125 mm permanent polyester | Non Light Tested |
Need custom configurations? Please contact us.
Key Features
Manganese Foil (Light Tight) at 98.7–99.95% purity is a pinhole-free version of manganese's hard, brittle foil that combines complete optical opacity with the same paramagnetic behavior and chemical reactivity that make manganese useful in controlled-environment research:
Pinhole-Free Optical Barrier Suited to Fixed, Static Installations
Because manganese's brittleness rules out mechanical or load-bearing use, Manganese Foil (Light Tight) is best suited to fixed installations — shielding components, reference targets, and enclosures — rather than flexible or wrapped assemblies, where the foil's job is to stay precisely in place and exclude light rather than deform or conform.
Mohs Hardness 5 & Body-Centered Cubic Structure for Dimensional Rigidity
A Mohs hardness of 5 and body-centered cubic structure give Manganese Foil (Light Tight) the dimensional rigidity needed in static shielding and aperture applications, ensuring the light-tight barrier geometry remains precisely fixed throughout extended use in calibration and shielding installations.
Paramagnetic Behavior & Chemical Reactivity Retained in Light-Tight Format
Manganese's paramagnetic behavior and high chemical reactivity are retained in the light-tight foil format, supporting use in controlled-atmosphere experiments where manganese's reactivity must be isolated from ambient light-sensitive equipment — combining optical isolation with manganese's distinctive magnetic and chemical research properties in a single component.
Permanent Polyester Support for Delicate Light-Tight Applications
Available with a permanent polyester support for the thinnest gauges, Manganese Foil (Light Tight) extends the handling options available for delicate light-tight applications — allowing the brittle foil to be deployed in thin-gauge optical isolation roles that would otherwise be impractical to handle without substrate support.
Rigid, Chemically Reactive Reference Material That Also Blocks Light Transmission
In research, Manganese Foil (Light Tight) serves wherever a rigid, chemically reactive reference material must also block light transmission — supporting light-excluding enclosures for neutron activation targets and optical isolation in spectroscopic calibration setups where both dimensional precision and complete light exclusion are simultaneous requirements.
Industrial Applications
Manganese Foil (Light Tight) is used in nuclear analysis, spectroscopic calibration, and controlled-atmosphere research wherever a rigid, chemically reactive reference material must also provide complete optical isolation:
- ✦ Light-Excluding Enclosures for Neutron Activation Targets
- Used as light-excluding enclosures for neutron activation targets, where Manganese Foil (Light Tight)'s pinhole-free construction provides complete optical isolation of the activation target while its dimensional rigidity ensures the target geometry remains precisely fixed throughout the irradiation and measurement process.
- ✦ Optical Isolation in Spectroscopic Calibration Setups
- Applied for optical isolation in spectroscopic calibration setups, where the combination of manganese's well-defined composition and the foil's complete light exclusion provides a reliable, optically isolated reference standard for spectroscopic instrument calibration against a known elemental target.
- ✦ Shielding Components in Controlled-Atmosphere Experiments
- Used as shielding components in controlled-atmosphere experiments, where manganese's reactivity must be isolated from ambient light-sensitive equipment — with the light-tight foil providing simultaneous chemical containment compatibility and optical isolation for sensitive experimental apparatus operating in the same controlled environment.
- ✦ Fixed Reference Targets in Static Shielding & Aperture Applications
- Used as fixed reference targets in static shielding and aperture applications, where manganese's dimensional rigidity from its body-centered cubic structure and Mohs hardness of 5 ensures the light-tight barrier and reference geometry remain unchanged through repeated use — distinguishing it from more ductile light-tight foils that could deform under handling.
- ✦ Research: Rigid Reference Materials Requiring Light Exclusion
- Used in research wherever a rigid, chemically reactive reference material must also block light transmission — supporting experimental designs combining manganese's magnetic and crystallographic research interest with optical isolation requirements in controlled-atmosphere and spectroscopic experimental setups.
Material Properties
| Element | Value |
|---|---|
| Atomic number | 25 |
| Crystal structure | Body centred cubic |
| Electronic structure | Ar 3d⁵ 4s² |
| Valences shown | 1, 2, 3, 4, 6, 7 |
| Atomic weight( amu ) | 54.938 |
| Thermal neutron absorption cross-section( Barns ) | 13.3 |
| Photo-electric work function( eV ) | 3.8 |
| Atomic radius - Goldschmidt( nm ) | 0.112 |
| Ionisation potential( No./eV ) | 2/ 15.64 |
| Ionisation potential( No./eV ) | 3/ 33.67 |
| Ionisation potential( No./eV ) | 4/ 51.2 |
| Ionisation potential( No./eV ) | Jun-95 |
| Ionisation potential( No./eV ) | 5/ 72.4 |
| Ionisation potential( No./eV ) | 1/ 7.43 |
| Element | Value |
|---|---|
| Hardness - Mohs | 5 |
| Material condition | Polycrystalline |
| Poisson's ratio | 0.24 |
| Bulk modulus( GPa ) | 118 |
| Tensile modulus( GPa ) | 191 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 160@20°C |
| Element | Value |
|---|---|
| Boiling point( C ) | 1962 |
| Density( gcm⁻³ ) | 7.4@20°C |
| Element | Value |
|---|---|
| Melting point( C ) | 1244 |
| Latent heat of evaporation( J g⁻¹ ) | 4207 |
| Latent heat of fusion( J g⁻¹ ) | 267 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 477@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 7.81@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23@0-100°C |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Linear dimension | <100mm | ±1mm |
| Linear dimension | >=100mm | +2 / -1% |