. 2022 Jun 20;14(12):2515. doi: 10.3390/polym14122515

Table 1.

Material properties of the PET and PI films.

Material	Properties	Unit	Value
PET (polyethylene terephthalate) film	Thickness	$mm$	0.10
	Width	$mm$	0.25
	Elastic modulus (Room temperature)	$GPa$	2.01
	Density	$kg / m^{3}$	1450
	Thermal conductivity	$W / m \cdot K$	0.290
	Coefficient of thermal expansion	$/ K$	0.00008
PI (polyimide) film	Thickness	$mm$	0.10
	Width	$mm$	0.25
	Elastic modulus (Room temperature)	$GPa$	2.01
	Density	$kg / m^{3}$	1420
	Thermal conductivity	$W / m \cdot K$	0.120
	Coefficient of thermal expansion	$/ K$	0.00002