|
TYPICAL PROPERTIES OF PTFE &
Teflon®
|
| PROPERTY |
ASTM Method
|
|
| Tensile Strength, 73
degrees |
D638-52T
|
1,500 - 3,000 lb./sq.in
|
| Elongation 73 degrees
Fahrenheit |
D638-52T
|
100-200%
|
| Hardness, Durometer |
D676-49T
|
D50-D60
|
| Coefficient of linear
thermal exansion per 73 - 100 degrees
Fahrenheit |
D696-44
|
5.5 X 10 to the -5 power
|
| Thermal conductivity, 0.18
in |
Cenco-Fitch
|
1.7 B.T.U./hr./sq. ft./ degrees
Fahrenheit /in.
|
Heat-distortion temperature
66 lb./sq.in. |
D6488-45T
|
250 degrees Fahrenheit
|
| Dielectric strength, short
time, 0.080 in. |
D149-44
|
400-500 v/mil
|
| Dielectric constant, 60 cycles
- greater then 3,000 megacycles |
D150-54T
|
2.1
|
| Dissipation factor, 60 cycles -
greater then 3,000 |
D150-54T
|
less then 0.0003
|
| Water-absortion |
D570-42
|
less then 0.01%
|
| Flamability |
D635-44
|
non-flamable
|
| Specific Gravity |
D792-50
|
2.1 - 2.2
|
| Resistance to
weathering |
–
|
Unaffected by 25 yrs. exposure in Florida
|
| Static or kinetic
coefficient |
–
|
0.04
|