Comparison of properties - PEN Film

Property	Test Method	Unit	PEN	PI	PEI	PPS	PET
Tensile strength	JIS C-2318	MPa	280	280	110	220	230
Tensile elongation	JIS C-2318	%	90	80	80	60	120
Continuous use temperature (mechanical)	UL-746B	deg C	160	200	170	180	105
Continuous use temperature (electrical)	UL-746B	deg C	180	240	180	180	105
Glass transition temperature (film)	TDFJ method by DMA	deg C	155	-	212	90	110
Melting point	DSC	deg C	269	-	-	285	258
Dielectric breakdown voltage	JIS C-2318	kv/mm	300	280	140	320	280
Dielectric constant	JIS C-2318	-	2.9	3.3	3.2	2.8	3.1
Water absorption	TDFJ method	%	0.3	1.3	0.3	0.02	0.4
Density	JIS C-2151	g/cm³	1.36	1.43	1.27	1.35	1.40
Flammability	UL-94		VTM-2	V-0	V-0	VTM-0	VTM-2