|
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 |
| Static or kinetic coefficient |
- |
0.4 |
| Resistance to weathering |
- |
Unaffected by 25 yrs. exposure in Florida |