Polyester Film for Electrical Insulation

 

6020/6021 polyester film is biaxially oriented polyethylene terephthalate (PET)film.6020 is transparent film,6021 is milky white.

 

Thermal class: E(120℃) Gauge(um): 36-250

 

Characteristics: flat, low shrinkage, excellent insulation properties, UL approved

 

Usage: Electronic and electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motors, wrapping insulation for coils and cables, as well as producing insulating flexible composite material.

Properties Unit     NO.      1#      2#      3#      4#      5#      6#      7#      8# Test method  
Thickness   μm      36      50      75     100     125     150     188     250 GB12802.2  
Tensile Strength MD   Mpa     200     200     182     185     175     170     172     180 GB12802.2  
TD   Mpa     210     198     198     190     186     206     185     200 GB12802.2  
Elongation at break MD     %     115     125     115     120     150     130     150     148 GB12802.2  
TD     %     105     130     110     102     110     100     110     109 GB12802.2  
Shrinkage MD     %     1.3     1.4     1.3     1.3     1.4     1.4     1.5     1.8 GB12802.2  
(150℃30min) TD     %     0.8     0.8     0.9     0.8     1.0     1.0     1.0     1.5 GB12802.2  
Breakdown voltage   V/μm     220    188    165     145     126     123     104      92 GB12802.2  
Volume resistivity   Ω.m 1.0×1014 1.0×1014 1.0×1014 1.0×1014 1.0×1014 1.0×1014 1.0×1014 1.0×1014 GB12802.2  
Ralative dielectric constant(48Hz-62Hz)       3.0     3.0     3.0     3.0     3.0     3.0     3.0     3.0 GB12802.2  
 
Dielectric loss tangent(48Hz-62Hz)   2.8×10-3 2.8×10-3 2.8×10-3 2.8×10-3 2.8×10-3 2.8×10-3 2.8×10-3 2.8×10-3 GB12802.2  
 
Haze     %    10.0    14.0    20.0    25.0    28.0     30.0    35.0     40.0 GB2410  
Light Transmittance     %      66      60      52      39      35      31      29      26 GB2410  
Gloss(45)°     %      98      90      84      80      76      76      74      70 GB8807  
Density  g/cm3     1.4     1.4     1.4     1.4     1.4     1.4     1.4     1.4 GB12802.2  
Flame retardancy    VTM-2  VTM-2  VTM-2  VTM-2  VTM-2  VTM-2  VTM-2  VTM-2 ANSI/UL94