갈색 일반 pi필름 폴리이미드필름 특서유표

Density

1.42 g/cc

0.0513 lb/in³

Water Absorption

2.8 %

2.8 %

24 hr/23°C. ASTM D570

Moisture Absorption at Equilibrium

1.8 %

1.8 %

50% RH; 23°C

Water Vapor Transmission

3.50 g/m²/day

0.225 g/100 in²/day

25 µm film; ASTM E-96-92

Oxygen Transmission

9.90 cc-mm/m²-24hr-atm

25.1 cc-mil/100 in²-24hr-atm

25 µm film; ASTM D1434-82; 50% RH

Film Tensile Strength at Yield, MD

69.0 MPa

10000 psi

25 µm film; 3% yield point, orientation not specified; ASTM D882-91

Film Elongation at Break, MD

75 %

75 %

Orientation not specified; ASTM D882

Poissons Ratio

0.34

0.34

Avg. three samples elongated at 5%, 7%, 10%

Secant Modulus

2.80 GPa

406 ksi

ASTM D882

Impact Test

0.780 J

0.575 ft-lb

25 µm film; Impact strength per DuPont Pneumatic Impact Test

Coefficient of Friction, Dynamic

0.48

0.48

film to film; ASTM D1894-90

Coefficient of Friction, Static

0.63

0.63

film to film; ASTM D1894-90

Film Tensile Strength at Break, MD

221 MPa

32100 psi

Orientation not specified; ASTM D882

CTE, linear

20.0 µm/m-°C

@Temperature -14.0 - 38.0 °C

11.1 µin/in-°F

@Temperature 6.80 - 100 °F

25 µm film; ASTM D696-91

32.0 µm/m-°C

@Temperature 100 - 200 °C

17.8 µin/in-°F

@Temperature 212 - 392 °F

25 µm film

40.0 µm/m-°C

@Temperature 200 - 300 °C

22.2 µin/in-°F

@Temperature 392 - 572 °F

25 µm film

Specific Heat Capacity

1.09 J/g-°C

0.261 BTU/lb-°F

Differential Calorimetry

Thermal Conductivity

0.120 W/m-K

0.833 BTU-in/hr-ft²-°F

ASTM F433-77

Maximum Service Temperature, Air

400 °C

752 °F

Kapton® can function after brief exposure to 400°C (750°F). Various grades are UL rated for continuous service at 220-240°C (430-460°F).

Minimum Service Temperature, Air

-269 °C

-452 °F

Maintains properties and flexibility

Glass Transition Temp, Tg

360 - 410 °C

680 - 770 °F

A 2^nd order transition occurs in Kapton® between 360-410°C (680-770°F) and is assumed to be the T_g

Flammability, UL94

V-0

V-0

Refractive Index

1.70

@Wavelength 589.3 nm

1.70

@Wavelength 589.3 nm

Na D line; ASTM D542-90

Electrical Resistivity

1.00e+10 ohm-cm

1.00e+10 ohm-cm

in damp heat; IPC-TM-650; Method 2.5.17

1.00e+17 ohm-cm

1.00e+17 ohm-cm

per ASTM D257-91

Dielectric Constant

3.5

@Frequency 100000 Hz

3.5

@Frequency 100000 Hz

3.6

@Frequency 1000 Hz

3.6

@Frequency 1000 Hz

Use evaporated metal electrodes, two terminal system of measurement at standard conditions.; ASTM D150

Dielectric Strength

154 kV/mm

3910 kV/in

Flat sheets in air placed between 1/4 in diameter brass electrodes with 0.8 mm (1/32 in) edge radius subjected to 60 cycles AC voltage at 600V/s rate of rise to the breakdown voltage.; ASTM D149-81

Dissipation Factor

0.0020

@Frequency 1000 Hz

0.0020

@Frequency 1000 Hz

Same test as dielectric constant.

0.0090

@Frequency 100000 Hz

0.0090

@Frequency 100000 Hz