PTFE Film
Application
PTFE film is used for gasket seals and lubricants working in a variety of media, as well as electrical insulation for use at various frequencies.
Features
1.Corrosion resistant, weather resistant.
2.High insulation, high lubrication.
3.Products can be customized.
Main Technical Parameters
Item
Thickness
Thickness
allowance
Width
Width allowance
Length (m)
high-density
0.030-0.100
±10%
30-90
±0.3
≥10
semi-density
0.050-0.100
±10%
60-90
±0.3
≥5
common
0.050-0.500
±10%
60-90
±2.0
≥5
Property
Unit
high-density
semi-density
common
Tensile strength≥0.01
MPa
≥30
≥20
≥10
elongation at rupture
%
≥30
≥60
≥100
1MHZDielectric loss
tengent ≥0.01
2.5×104
-
-
1MHZ dielectric constant
average value1.8-2.2
-
-
Dc breakdown voltage
(normal temperature )
Kv/mm
average value200
Lowest value40
average value60
Lowest value6
average value30