(PTFE) Film
Characteristics
High and low temperature resistance(-180℃~+260 ℃)
Corrosion resistance(strong acid, strong alkali and aqua regia etc)
Weather resistance
High insulation
High lubrication
Non-adhesion
Non-toxic etc
The PTFE film is a kind of common film made of polyflon by pressing and sinter roasting roughcast and skived.
Characteristics
High and low temperature resistance(-180℃~+260 ℃)
Corrosion resistance(strong acid, strong alkali and aqua regia etc)
Weather resistance
High insulation
High lubrication
Non-adhesion
Non-toxic etc
Application
Used as Capacitor dielectric
Wire insulation
Electrical instrument insulation etc.
Technical data
|
Item |
Tensile strength |
Tear elongation |
1MHZ dielectric loss tangent ≥0.01 |
1MHZ dielectric constant |
Dc breakdown voltage (normal temperature) |
|
Unit |
MPa |
% |
|
|
KV/M |
|
High-density |
≥30 |
≥30 |
2.5×10-4 |
Average 1.8-2.2 |
Average 200 |
|
Semi-density |
≥20 |
≥60 |
|
|
Average 60 |
|
Common |
≥10 |
≥100 |
|
|
Average 30 |
Specifications
|
Item |
Thickness（mm） |
Thicknessallowance（mm） |
Width（mm） |
Length（cm） |
|
Directional |
0.04~2 |
±0.005 |
≤120 |
≥100cm |
|
Half-directional |
0.04~2 |
±0.02 |
≤120 |
≥100cm |
|
Non-directional |
0.05~2 |
±0.2 |
≤300 |
≥100cm |
Note
We can supply as clients’ special requests.
General Manager