PTFE resin is first moulded into work-blank and then skived.The PTFE resin skived sheet & tape are highly dielectric.chemical resistant and not aging .They have a wide range of operation temperature.
PTFE plates & belts
|
Property |
Unit |
Result |
|
normal material |
superior material |
|
Apparent density |
g／cm 3 |
2.10-2.30 |
2.10-2.30 |
|
Tensile strength≥ |
MPa |
20 |
28 |
|
Crack elongation≥ |
％ |
250 |
300 |
|
Dielectric strength ≥ |
Kv/mm |
10 |
12 |
PTFE Film
|
Property |
Unit |
high-desity |
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 |
|
1.8-2.2 |
- |
- |
|
Dc breakdown voltage
(normal temperature ) |
Kv/mm |
200
40 |
60
6 |
30 |
PTFE sheet tape & film specification:
|
Type |
Specification |
|
Skived sheet |
Thickness:0.2mm-7mm
Width:850,1000,1200,1500,1800,2000mm Length:>=500mm |
|
Skived tape |
Thickness:0.2mm-4mm Width :100-500mm Length:>=1000mm |
|
Skived film |
Item |
Thickness |
Thickness tolerance |
Width |
Width tolerance |
Length (m) |
|
High-density |
0.030-0.100 |
±10% |
30-90 |
±0.3 |
>=10 |
|
Semi-density |
0.050-0.010 |
±10% |
60-90 |
±0.3 |
>=5 |
|
Common |
0.050-0.500 |
±10% |
60-90 |
±2.0 |
>=5 |
Applications
Lining,seaing and oil less lubricating material and dielectric at any frequencies. Capacitor dielectric, wire isolation, electrical instrument isolation. |
