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Comparative data for plastic films

MANUFACTURING

Units BOPET BOPP PVC
Manufacturing ./. Extrusion Extrusion Calendering
Stretching ./. biaxial biaxial none or additionally transverse
Thickness range µm 1 to 500 4 to 80 30 to 100 stretchedtransv. (100 to 600 unstretched)

MECHANICAL TYPICAL VALUES

Units BOPET BOPP PVC
Tensile strength MD*
TD*		 N/mm ²
N/mm ²		 200
200		 150
250		 50
50
Elongation at break MD*
TD*		 %
%		 100
100		 150
50		 10
10
Tensile stress required to cause 5% elongation MD*
TD*		 N/mm ²
N/mm ²		 100
100		 ./.
./.		 ./.
./.
Test standard ./. ISO 527-1-2 ISO 527-1-2 ISO 527-1-2
Test conditions ./. Testing rate 100%/min, 23°C, 50% r.h. Testing rate 100%/min, 23°C, 50% r.h. Testing rate 100%/min, 23°C, 50% r.h.
Young’s modulus MD*
TD*		 N/mm ²
N/mm ²		 4500
4500		 2500
4500		 ./.
./.
Test standard ./. ISO 527-1-2 ISO 527-1-2 ISO 527-1-2
Test conditions ./. Testing rate 1%/min, 23°C, 50% r.h. Testing rate 1%/min, 23°C, 50% r.h. Testing rate 1%/min, 23°C, 50% r.h.

*) MD=Machine direction, TD=Transverse direction

ELECTRICAL TECHNICAL VALUES

Units BOPET BOPP PVC
Dielectric constant ./. 3,3 2,2 4,2
Dielectric dissipation factor ./. 0,002 0,0002 0,02
Test standard ./. DIN 40634 DIN 40634 DIN 40634
Test conditions ./. 23°C, 50 Hz 23°C, 50 Hz 23°C, 50 Hz

DIMENSIONAL STABILITY

Units BOPET BOPP PVC
Shrinkage MD* % 1 to 3
(150°C)		 3 to 5
(120°C)		 4 to 7
(140°C)
TD* % 0 to 2
(150°C)		 0 to 2
(120°C)		 -0,5 to 2
(140°C)
Test standard ./. DIN 40634 DIN 40634 DIN 40634
Test condition ./. 150°C, 15 min 120°C, 15 min 140°C, 15 min

*) MD=Machine direction, TD=Transverse direction

THERMAL TYPICAL VALUES

Units BOPET BOPP PVC
Melting point °C 260 166 200 to 220
Glas transition temperature °C 70 -20 80
Test standard ./. Differential scanningcalorimetry Differential scanningcalorimetry Differential scanningcalorimetry
Test conditions ./. 3K/min 3K/min 3K/min

BARRIER DATA

100 µm thickness, 23°C Units BOPET BOPP PVC
Oxygen (0% r.h.) cm 3 /m² x d x bar 17 250 40
Test standard ./. DIN 53380 DIN 53380 DIN 53380
Test conditions ./. 23°C 23°C 23°C
Water vapor (85% r.h.) g/m² x d 2 0,25 3
Test standard ./. DIN 53122 DIN 53122 DIN 53122
Test conditions ./. 23°C 23°C 23°C

OTHER

Units BOPET BOPP PVC
Density g/cm 3 1,4 0,9 1,4
Test standard ./. ASTM D 1505-68 Method C ASTM D 1505-68 Method C ASTM D 1505-68 Method C
Test condition ./. 23°C 23°C 23°C
Water absorption % 0,5 < 0,1 0,5
Test standard ./. DIN 53472 and
ASTM D 570		 DIN 53472 and
ASTM D 570		 DIN 53472 and
ASTM D 570
Test condition ./. Immersed in water for 4 days at 23°C Immersed in water for 4 days at 23°C Immersed in water for 4 days at 23°C

This information provided here is consistent with the current state of our knowledge and is intended to provide general information on our products and their applications. It does not constitute a guarantee of any specific product attributes or the suitability of products for specific applications. Any existing commercial rights or patents must be observed. We guarantee full product quality under the terms of the General of MITSUBISHI POLYESTER FILM GmbH