DuPont's Kapton brand polyimide film is renowned for its excellent high-temperature resistance, chemical corrosion resistance, and electrical insulation properties, making it widely used in aerospace, electronics, semiconductors, automotive, and other fields. To meet various application requirements, DuPont offers a range of Kapton polyimide films with different characteristics and coating systems. Below is a list of some common models and their primary applications (this list is not exhaustive; for more specific information, please refer to DuPont's official materials or contact technical support).
Kapton HN Series
Features:
Common, basic general-purpose polyimide film
Excellent physical, chemical, and electrical insulating properties
Operating temperature range (-269°C ~ +400°C) with stable performance
Main Application:
Insulating materials for the electronics and electrical field (such as circuit boards, cable sheathing)
Flexible Printed Circuit (FPC) Base Material
A wide range of industrial applications requiring high temperatures, chemical resistance, and excellent mechanical properties.
2. Kapton FN Series
Features:
Coated with a FEP (polyallfluoromethyl丙烯) layer on Kapton HN.
Heat-sealable, vacuum-formable, or laminated
Better moisture resistance, chemical resistance, and anti-adhesion properties
Primary Application:
Applications for lamination structures or heat-sealing functions
Flexible wiring or insulated components requiring additional protection
Aircraft and electronics industries requiring components with special surface specifications
3. Kapton MT Series
Features:
High thermal conductivity (compared to standard HN series)
Maintain Kapton's inherent high-temperature stability, electrical insulation, and dimensional stability.
Main Application:
High thermal management requirement electronic components heat dissipation
Flexible heater substrate
Aerospace, automotive electronics, and other high-heat dissipation applications
4. Kapton XC / XCR Series
Features:
The XC series includes conductive/statisic dissipative additives, enabling static dissipation or shielding function.
The XCR model is an improvement over the XC, featuring enhanced radiation and environmental resistance.
Primary Uses:
Electronic components requiring electrostatic protection or electromagnetic shielding
Fields related to radiation or harsh environments (such as satellites, space stations)
Sensitive processes to ESD (Electrostatic Discharge) during semiconductor production
5. Kapton CR Series
Features:
Enhanced puncture resistance, corona discharge resistance, and dielectric strength
Especially suitable for insulation under high-voltage conditions.
Main Application:
High-voltage electric motors, insulation for power transformers
Special requirements for high-voltage insulation in the aerospace field
Applications requiring high dielectric strength insulation
6. Kapton RS Series
Features:
Special conductive or resistive tuning capabilities ("Resistive" or "Resistance" film)
Heating or sensing functionality can be achieved within a certain range.
Primary Application:
Flexible heating film or sensor base material
Aerospace and Industrial Heating, Thermal Management Solutions
Scenarios requiring resistance control on the film layer.
7. Kapton EN/EJ Series
Features:
Electro-gradeNic grade, with lower impurity content and less ion contamination.
Suitable for ultra-clean or extreme environments (such as ultra-high vacuum, clean rooms)
Primary Application:
Semiconductor packaging and wafer manufacturing, processes with high cleanliness requirements
Aerospace structural components and critical protective parts
Sensor Substrate for Vacuum Environments
8. Other Special Models (Examples)
Kapton GSSuitable for speaker diaphragms and sound membranes requiring high acoustic performance.
Kapton FWRDesigned specifically for applications requiring special shaping or sheathing, such as insulated cables.
Kapton 200FRFlame-retardant, for use in environments with high fire safety requirements.