|
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
|
|||
|
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
|