Virgin PTFE datasheet
| Property |
Method |
Unit |
Values (from-to) |
| Specific
gravity |
ASTM
D792 |
- |
2,14 - 2,20 |
| Tensile
strength |
ASTM
D1457 |
N/mm2 |
20 - 35 |
| Elongation
at break |
ASTM
D1457 |
% |
210 - 400 |
| Compressive
strength 1% deformation |
ASTM
D695 |
N/mm2 |
4,00 - 4,50 |
| Deformation
under load 14 N/mm2 for 24hrs |
ASTM
D621(1) |
% |
10 - 15 |
| Flexural
strength 0,7 N/mm2 |
ASTM
D790 |
N/mm2 |
no break |
| Impact
strength (Izod) 57°C |
ASTM
D256 |
J/cm |
1,10 |
| Impact
strength (Izod) 23°C |
ASTM
D256 |
J/cm |
1,60 |
| Impact
strength (Izod) 77°C |
ASTM
D256 |
J/cm |
3,30 |
| Hardness |
ASTM
D2240 |
(shoreD) |
50 - 60 |
| Friction
coefficient - static |
ASTM
D3028 (2) |
- |
0,09 |
| Friction
coefficient - dynamic |
ASTM
D3028 (2) |
- |
0,05 |
| PTFE
-steel oil lubricated |
- |
- |
0,02 - 0,06 |
| Working
temperature range |
- |
°C |
-200 - +260 |
| Increase
in volume from room temperature to molten
state(340°C) |
- |
% |
27 - 28 |
| Coefficient
of thermal expansion from 25 to 100°C |
ASTM
E831 |
°C-1 |
16 x 1-5 |
| Thermal
conductivity |
ASTM
D2214 |
W/mK |
0,20 |
| Specific
heat 0°C |
- |
W/mK |
0,96 |
| Specific
heat 50°C |
- |
W/mK |
1,05 |
| Temperature
of distortion 0,46 N/mm2 |
ASTM
D648 |
°C |
130 - 140 |
| Temperature
of distortion 1,85 N/mm2 |
ASTM
D648 |
°C |
50 - 60 |
| Dielectric
strength (short-time air thickness 0,5 mm) |
ASTM
D149 |
kV/mm |
55 |
| Dielectric
constant |
ASTM
D150 |
- |
2,10 |
| Dissipation
factor |
ASTM
D150 |
- |
<0,0002 |
| Volume
resistivity |
ASTM
D257 |
Ohm/cm |
10-17 |
| Surface
resistivity |
ASTM
D257 |
Ohm |
10-15 |
| Arc-resistance |
ASTM
D495 |
sec |
OK (4) |
| Water
absorption |
ASTM
D570 |
% |
<0,01 |
| Flammability
ATB |
ASTM
D635 |
sec |
<5,00 |
| Flammability
AEB |
ASTM
D635 |
mm |
<5,00 |
|
