Properties
Unit
PET Film
BOPP Film
Test Method
PET / BOPP
Thickness
µm
3.3 ~ 6.8
3.5 ~ 15
-
Density
G/cm3
1.4
0.91±0.01
ASTM D 1505/DIN 53 479
Tensile Strength
MD(N/mm2)
255~274
130
ASTM D 882/ DIN 53 455
TD(N/mm2)
294
250
ASTM D 882/DIN 53 455
Elongation at Break
MD(%)
110
180
ASTM D 882/DIN 53 455
TD(%)
100
40~70
ASTM D 882/DIN 53 455
Heat Shrinkage
MD(%)
2.2(150oC , 30 min)
6 ( 6.0 µm )
5 ( > 6.0 µm )
( 120°C , 15 min )
DIN 40 634
TD(%)
0.8~1.0
1.0
DIN 40 634
Break-down voltage(BDV)
V/µm
1900
700( 23oC, DC )
DIN 53 481
Surface Roughness
Ra(µm )
0.08~ 0.1
0.8
JIS B 0601/DIN 4762
Rmax(µm)
1.39
1.09
JIS B 0601/DIN 4762
Dissipation Factor(20oC, 1KHz)
10 -4
50
3
DIN 53 483(20oC, 1KHz)
Dielectric Constant
-
3.2
2.2±0.1
DIN 53 483(20oC, 1KHz)
Insulation Resistance
M[EgF(20oC)
30,000
100,000
DIN 53 482
Water Absorption
%
0.34
0.1
JIS C2318/DIN 53 472
Number of Pinhole(Insulation Failure)
Ea/m2
2
5 ( 6.5µm )
2 ( 7µmMMV
    11µm )
1 ( >11µm )
-
MMV=Weight Measured Value; MMV=Micrometer Measured Value.
MD=Machine Direction; TD=Transverse Direction