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Virgin
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Properties
Datasheet
Filled PTFE
Filled
PTFE
Properties
Datasheet1
Datasheet2
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Virgin PTFE datasheet
| Properties |
Method |
Unit |
Typical
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 |
- |
KJ/kg.K |
0,96 |
| Specific heat
50°C |
- |
KJ/kg.K |
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 |
Note:
All the values refer to the temperature of 23°C unless otherwise specified
(1) Superseded standard
(2) Speed 5 m/min; load 1kg/cm2, sliding surface steel roughness Ra = 0,4 "
0,6 micron
(3) 100% relative humidity
(4) Without defects
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