Aluminized Black Kapton® Film
Since 1985 Dunmore Aerospace has been providing material solutions for the space industry. Aluminized black Kapton® film is constructed of a carbon-filled polyimide film substrate with a thin layer of deposited aluminum on one side. It is most commonly used as outer layer material in MLI blankets. Aluminized black Kapton® film is used for low to high temperature applications that require high absorptance and emissivity properties.
Reasons to Choose Aluminum Coated Black Kapton® Film
While polyimide on its own is electrically insulative, the continuous strands of carbon in black Kapton® film dissipate charged particles. The aluminum coated side helps provide a continuous ground to the spacecraft. This material is a great choice for charged orbital environments, such as geosynchronous and low-earth orbits, where stray surface charges could harm ESD-sensitive components. The black side of aluminum coated black polyimide film also provides high absorptivity that is ideal for mitigating stray light when insulating optical instruments.
Aluminum coated black Kapton® film is an excellent choice for:
- Outer layer of MLI blankets
- Stray charge dissipation
- Stray light mitigation
- Low to high temperature range applications
Material Properties
- Typical outside surface α / ϵ values: 1.1
- Operating Temperature: -250°C to 290°C
- Thickness: 25 μm
- Surface Resistivity: 105 to 10 7 Ω/sq
Alumininzed Black Kapton® Film Application
Satellite MLI, Credit: NASA/Kim Shiflett
DuPont™ and Kapton® are trademarks or registered trademarks of E.I. du Pont de Nemours and Company.
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