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   Technical data for polyester film

No. Item  Property Unit Value
1 Thickness   Nominal thickness ( μm ) % 0.23
tolerance 25 - 100 5
> 100 4
2 Tensile strength   Nominal thickness ( μm ) Mpa -
( lengthwise & crosswise) 25 - 100 150
> 100 - 190 140
> 190 110
3 Break elongation    Nominal thickness ( μm ) % -
( lengthwise & crosswise ) 25 - 50 60
> 50 80
4 Heat shrinkage   Nominal thickness ( μm )   -
( lengthwise & crosswise ) 25 - 50 % 3
> 50 2
6020SL     lengthwise 1.0
150C 30min crosswise 0.5
5  Dielectric strength   Nominal thickness ( μm ) V/μm -
25 174
36 150
50 130
75 105
100 90
125 75
150 70
188 65
250 60
300 55
350 50

 


 
 
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