Laser cut material Kapton is a polyimide polymer. It has the ability to maintain its unique mechanical properties under harsh conditions.
Kapton is used often in Flexible printed circuits It has applications in; Aircraft, Spacecraft, X-rays, Electronics and Cryogenics.
It is a very stable material across a wide range of temperatures typically -269 to +400 degrees Centigrade. It is a good electrical insulator at low thermal gradients.
Mechanical Properties (thickness 0.5mm)
Formula: poly (4,4′-oxydiphenylene-pyromellitimide)
Dielectric Strength AC : 3000 V/mil or 118 (Kv/mm)min
Volume resistivity: 10 Ohm-cm at 200 °C (392f)
Dielectric constant: 3.4 at 1kHz
Dissipation factor: 0.005 at 1kHz
Further information: DuPont Polyimide Films