The Properties of A

The Properties of A-PET sheet (Normal Grade)

Properties	A-PET sheet (Normal Grade)
	Typical Value	Unit
Density	1.34	g/cm²
^Thickness	^{250 - 500 + 10}	^microns
Thermal
^{Glass temperature DTA}	^68-77	^C
^{Glass transition temperature}	⁸⁶	^C
^{Melting range}	²⁵⁵	^C
^{Vicat softening temperature, VST/B/120}	⁷³	^C
^{Heat deflection temperature}	⁷⁰	^C
^{Method A}	⁷²	^C
^{Method B}	^80x10-6	^K-1
^{Coefficient of linear expansion}	^1.3	^{kJ/kg K}
^{Specific heat capacity}	^0.24	^{W/m K}
^{Thermal conductivity}
Electrical
^{Surface resistance}	^5x1012	^ohm
^{Volume resistivity}	^2x1012	^ohm.cm
^{Dielectric constant 50 Hz}	^3.6	^-
^{1 Mhz}	^3.4	^-
^{Dissipation factor 50 Hz}	^0.002	^-
^{1 Mhz}	^0.030	^-
^{Dielectric strength}	⁴⁵	^kV/mm
Mechanical
^{Tensile strength @ Yield}
^MD	⁵⁵	^N/mm2
^TD	⁵⁵	^N/mm2
^{Tensile strength @ Break}
^MD	⁴²	^N/mm2
^TD	³⁸	^N/mm2
^{Elongation @ Yield}
^MD	^3.5	^%
^TD	^3.5	^%
^{Elongation @ Break}
^MD	³⁰⁰	^%
^TD	³⁰⁰	^%
^{Tensile Modulus of Elasticity}
^MD	^2,200	^N/mm2
^TD	^2,200	^N/mm2

^{*
Typical Values represent an average of samples tested using ASTM standard
proceduces. They are provided as ^{general information only and are not part
of product specification.}}