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PTFE Film

 

Description:
There are three kinds of PTFE film: directional (high-density), half-directional (semi-density), and Non-directional (common density).
 
Specification:

Items
Unit
Directional film
Half-directional
Non-directional
Thickness
mm
0.015-0.04
0.03-0.10
0.02-0.10
Tolerance in thickness
%
±10
±10
±10
Width
mm
30-120
60-120
60-300
Length
mm
≥1000
≥1000
≥1000
Tensile strength
MPa
≥30
≥20
≥10
Elongation
%
≥30
≥60
≥100
1MHz dielectric loss tengent
-
2.5x10-4
--
--
1MHz dielectric constant
--
1.8-2.2
 
 
Breakdown voltage
Kv/m
Average 200
Lowest 40
Average 60
Lowest 6
Average 30

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