PROPERTIES |
STANDARD |
UNITS |
PTFE |
PFA |
FEP |
ECTFE |
PVDF |
PP |
HDPE |
DENSITY |
DIN-53497 |
Gm/cm3 |
2.12 |
2.12 |
2.15 |
1.69 |
1.78 |
0.90 |
0.95 |
TENSILE STRESS AT YIELD |
DIN-53455 |
N/mm2 |
9-11 |
31-00 |
50-55 |
||||
TENSILE STRENGTH |
DIN-53455 |
N/mm2 |
20-40 |
24-30 |
21-28 |
42-48 |
30-50 |
33-0 |
24-29 |
ELONGATION AT BREAK |
DIN-53455 |
% |
140-400 |
300 |
240-350 |
200 |
20-60 |
20-800 |
100-1000 |
TENSILE MODULUS |
DIN-53457 |
N/mm2 |
350-750 |
280 |
350-500 |
1700 |
2400 |
1100-1300 |
800-1100 |
FLEXURAL MODULUS |
ASTM-D-790 |
N/mm2 |
650-670 |
1700 |
2250 |
||||
FLEXURAL STRESS |
DIN-53452 |
N/mm2 |
5.6 |
18 |
18 |
44 |
74 |
47 |
30-40 |
HARDNESS SHORE D |
DIN-53505 |
55 |
55 |
55 |
75 |
77-80 |
783 |
65 |
|
ABRASION RESIST. TAB ER |
DIN-53754 |
Mm3/1000U |
400 |
3.5 |
5 |
2.8-5.7 |
150-200 |
60 |
|
LINER THERMAL EXPANSION COEFF. |
ASTM-D-696 |
10-5K-1 |
12-20 |
14 |
9-11 |
5-8 |
12.5-14 |
15 |
20 |
LOWER PERMANENT SERVICE TEMP. LIMIT |
oC |
260 |
260 |
205 |
160 |
150 |
100 |
85 |
|
UPPER PERMANENT SERVICE TEMP. LIMIT |
oC |
-200 |
-190 |
-190 |
-76 |
-40 |
-15 |
-50 |
|
THERMAL CONDUCT |
DIN-52612 |
W/m K |
0.24 |
0.19 |
0.25 |
0.14 |
0.19 |
0.22 |
0.43 |
SPECIFIC HEAT CAP. |
KJ/Kg K |
1.0 |
1.12 |
1.0-1.2 |
1.7 |
1.80 |
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MELTING POINT |
DIN-53736 |
oC |
305 |
275 |
240 |
172-178 |
165 |
130 |
|
SURFACE RESISTIVITY |
DIN-53482 |
Ohm |
>1017 |
>1018 |
1016 |
>1015 |
>1013 |
1013 |
1013 |
VOLUME RESISTIVITY |
DIN-53482 |
Ohm-cm |
>1010 |
>1018 |
>1016 |
1015 |
5x1014 |
>1017 |
>1016 |
COMPRESSIVE STRENGTH |
ASTM-D-695 |
N/mm2 |
25.5 |
23.7 |
75 |