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Polyester Film is a biaxially oriented film made of polyethylene terephthalate (PET) and characterized by outstanding physical properties. This widely used film displays excellent thermal and electrical characteristics as well as being easy to use.
Property |
Thickness |
Units |
Value |
Test Method |
Test Conditions |
|
|
µm |
|
MD* |
TD* |
|
|
Mechanical |
|
|
|
|
|
|
Tensile strength |
36-75 |
N/mm2 |
210 |
260 |
ISO 527-1 and ISO 527-3 Sample type 2 |
Test speed 100%min.:23°C, 50% r.h. |
|
100-125 |
|
180 |
230 |
||
|
190-350 |
|
150 |
200 |
||
Elongation at break |
36-75 |
% |
150 |
110 |
ISO 527-1 and ISO 527-3 Sample type 2
|
Test speed 100%min.:23°C, 50% r.h. |
|
100-125 |
|
185 |
120 |
||
|
190-350 |
|
200 |
140 |
||
Youngs’s Modulus |
36-75 |
N/mm2 |
4000 |
5200 |
ISO 527-1 AND ISO 527-3 Sample type 2 |
Test speed 1%min.:23°C, 50% r.h. |
|
100-125 |
4100 |
4800 |
|||
|
190-350 |
3600 |
4300 |
|||
F5-value (stress to obtain 5% elongation) |
36-350 |
N/mm2 |
105 |
105 |
ISO 527-1 AND ISO 527-3 Sample type 2 |
Test speed 100%min.:23°C, 50% r.h. |
Thermal |
|
|
|
|
|
|
Shrinkage |
36-190 |
% |
1.0 |
0.3 |
DIN 40634 |
150°C, 15min. |
|
250-350 |
1.0 |
1.0 |
|
|
|
Optical |
|
|
|
|
|
|
Haze |
36 |
% |
9 |
ASTM-D 1003-61 method A |
Enlarged measurement angle |
|
|
50 |
|
13 |
|||
|
75 |
|
15 |
|||
|
100 |
|
18 |
|||
|
125 |
|
22 |
|||
|
190 |
|
25 |
|||
|
250 |
|
28 |
|||
|
350 |
|
30 |
|||
Electrical |
||||||
Dielectric strength |
36/190 |
kV/mm |
510/420 290/150 200/135 |
|
DIN 40634 or VDE 0345 in air |
23°C, DC 23°C, 50 Hz 150°C, 50 Hz |
Dielectric dissipation factor (tano) |
36-350 |
- |
0.0020 0.0052 0.0210 0.0060 0.0060 0.0048 |
|
DIN 40634 or VDE 0345 |
23°C, 50 Hz 23°C, 1 kHz 23°C, 1 MHz 23°C, 240 MHz 23°C, 9300 MHz 150°X, 50 Hz |
Volume resistivity |
36 |
Ω x cm |
Ø 1017 Ø 1011 |
|
DIN 40634 or VDE 0345 |
23°C, DC 150°C, DC |
Surface resistivity |
36 |
Ω |
Ø 5 x 1014 |
|
DIN 53482 or VDE 0303/ part 3 |
23°C, 25% r.h. 23°C, 50% r.h. 150°C, 75% r.h. |
Dielectric constant |
36-350 |
- |
3.3 3.3 3.2 2.9 2.9 3.6
|
|
DIN 40634 or VDE 0345 in air |
23°C, 50 Hz, 23°C, 1 kHz 23°C, 1 MHz 23°C, 240 MHz 23°C, 9300 MHz 150°C, 50 Hz |
Conductivity of aqueous extract |
36-350 |
µS/cm |
2 |
|
DIN 40634 or VDE 0345 |
1kHZ |
Water absorption (compared to dry state) |
36-350 |
% |
0.5 |
|
ASTM-D 570 |
4 days in water at 23°C |
Frigen extract |
190 |
% |
0.05 |
|
DIN 8944 |
Cold extraction |
Trichloroethylene-extract |
190 |
% |
0.2 |
|
DIN 8943 |
Extracted in Soxhalet apparatus for 2h. Boiled down for 15h at 105°C. |
Product Code | 612 |
Material | Polyethlene terephthalate (PET) |
Standard Colour | Haze/Opaque |
Dielectric Strength - kV/mm | See technical specification |
Tensile Strength- N/mm² | See technical specification |
Films for Industrial applications:
Stiffening:
Further applications:
Description | Reel Size (m) approx | weight of reel (kg) | Price 1-4.99 kgs | Price 5-9.99 kgs | Price 10+ kgs |
CROYFILM POLYESTER FILM 8MM X 50 MICRON | 750 | 0.44 | £7.22 | £6.81 | £6.41 |
CROYFILM POLYESTER FILM 10MM X 50 MICRON | 800 | 0.58 | £4.80 | £4.51 | £4.22 |
CROYFILM POLYESTER FILM 12MM X 50 MICRON | 800 | 0.68 | £5.63 | £5.29 | £4.95 |
CROYFILM POLYESTER FILM 12MM X 36 MICRON | 750 | 0.68 | £10.42 | £9.84 | £9.26 |
CROYFILM POLYESTER FILM 15MM X 50 MICRON | 750 | 0.96 | £13.48 | £12.66 | £11.85 |
CROYFILM POLYESTER FILM 16MM X 50 MICRON | 750 | 0.96 | £13.48 | £12.66 | £11.85 |
CROYFILM POLYESTER FILM 19MM X 36 MICRON | 750 | 0.8 | £12.25 | £11.57 | £10.89 |