PTFE Film
PTFE Film is made from PTFE resin and prepared by compression molding, skiving and calendaring technology. There are three kinds of film: oriented, Semi-oriented and non-oriented film. The film has excellent chemical resistant, ageing resistant and dielectric property, used as capacity medium, electric device, wire and cable insulation. It conforms to the professional standard QB/T 3627-99.
Specification
|
Code |
Type |
Thickness
mm |
Width
mm |
Length
m |
|
SFM-1 |
Oriented |
0.008~0.04 |
40，60，90 |
≥50 |
|
SFM-2 |
Semi-Oriented |
0.03~0.20 |
60, 90 |
≥100 |
|
Non- Oriented |
0.02~0. 50 |
60, 90, 120 |
≥50 |
|
SFM-3 |
Oriented |
0.01~0.20 |
40，60，90 |
≥30 |
|
Non- Oriented |
0.02~0.50 |
60，90，120，150 |
≥20 |
|
Note: Customer’s request negotiable. |
|
Note: SFM-1 oriented film used as capacitor medium;
SFM-2 semi-oriented, non-oriented film used as wire insulation;
SFM-3 oriented, non-oriented film used as insulation, sealing material in electric devices and instruments and anti-stick material at high temperature.
Main Properties
|
Item |
Unit |
Value |
|
SFM-1 |
SFM-2 |
SFM-3 |
|
Oriented |
Semi-
Oriented |
Non- Oriented |
Oriented |
Non- Oriented |
|
Tensile Strength |
MPa |
≥30 |
≥20 |
≥10 |
≥30 |
≥10 |
|
Elongation @ Break |
% |
≥30 |
≥60 |
≥100 |
≥30 |
≥100 |
|
1MHz
Dissipation factor |
≤0.01 |
-- |
3.0×10-4 |
-- |
-- |
3.0×10-4 |
-- |
|
＞1 |
--- |
2.5×10-4 |
-- |
-- |
-- |
-- |
|
1MHz
Dielectric Constant |
|
Average 1.8~2.2 |
-- |
-- |
Average
1.8~2.2 |
-- |
|
Voltage Breakdown(D.C) |
KV mm |
Average
200 |
Average
60 |
Average
40 |
Average
60 |
Average
30 |
|
Minimum
40 |
Minimum
6 |
Minimum
4 |
-- |
-- |