PHYSICAL PROPERTIES OF MOST IMPORTANT THERMOPLASTIC MATERIALS
Properties | Standards | Units | PVDF |
PVDF AS | E-CTFE | FEP |
PFA |
ETFE |
PCTFE |
PTFE |
PP |
HDPE |
PVC |
Mechanical | |||||||||||||
Density |
DIN 53479 |
g/cm²
|
1.78
|
1.77
|
1.69
|
2.15
|
2.15
|
1.7
|
2.12
|
2.15
|
0.90-0.92
|
0.95
|
1.42
|
Tensile stress of yield |
DIN 53455 |
N/mm²
|
50-55
|
33
|
31
|
34-5
|
|||||||
Tensile strength |
DIN 53455 |
N/mm²
|
40-60
|
27
|
42-48
|
21-28
|
24.3
|
44
|
32-50
|
20-40
|
33
|
24-29
|
45-55
|
Elongation at Break |
DIN 53455 |
%
|
20-80
|
15
|
200
|
240-350
|
300
|
200
|
100-250
|
140-400
|
20-800
|
100-1000
|
20-30
|
Tensile modulus |
DIN 53457 |
N/mm²
|
2400
|
1800
|
1700
|
350-500
|
280
|
900-1300
|
1400
|
350-750
|
1100-1300
|
800-1100
|
1800-3500
|
Flexural modulus |
ASTM D790 |
N/mm²
|
2250
|
1700
|
1700
|
650-670
|
620-670
|
1300
|
1400
|
||||
Flexural stress |
DIN 53452 |
N/mm²
|
74
|
49
|
44
|
18
|
18
|
>12
|
56
|
5.6
|
47
|
30-40
|
70-80
|
Hardness shore D |
DIN 53505 |
78
|
78
|
75
|
55
|
55
|
78
|
76-80
|
55
|
73
|
65
|
80
|
|
Abrasion resistance |
DIN 53754 |
mm³/1000C
|
2.8-5.7
|
5.6
|
5
|
3.5
|
400
|
150-200
|
60
|
250-360
|
|||
Electrical | |||||||||||||
Surface resistivity |
DIN 53482 |
O
|
>10¹³
|
>104
|
10¹5
|
1016
|
>10¹8
|
5 x 10¹4
|
5 x 10¹5
|
>10¹7
|
10¹3
|
10¹3
|
10 ¹3
|
Volume resistiviy |
DIN 53482 |
O - cm
|
5 x 10¹4
|
<107
|
10¹5
|
>1016
|
>1018
|
>1016
|
>1018
|
>1018
|
>1017
|
>1016
|
>1015
|
Dissipation factor (106Hz) |
ASTM D150 |
0.185
|
0.003
|
0.0006
|
0.0001
|
0.005
|
0.009-0.2
|
<0.0003
|
<0.001
|
0.0003
|
0.02-0.11
|
||
Dielectric strength (foil:0.2-0.25mm) |
ASTM D149 |
kV/mm
|
30-60
|
20-80
|
83
|
>80
|
>80
|
20-24
|
>20
|
75
|
70
|
>20
|
|
Dielectric constant (106Hz) |
ASTM D150 |
7.5
|
2.5
|
2.1
|
2.1
|
2.6
|
2.3-2.5
|
2.1
|
2.3
|
2.5
|
2.9-3.3
|
||
Thermal | |||||||||||||
Linear thermal expansion coefficient |
ASTM D696 |
10-5K-¹
|
12.8
|
13.5
|
5-8
|
9-11
|
14
|
8-12
|
5-7
|
12-20
|
15
|
20
|
7-8
|
Thermal conductivity |
DIN 52612 |
W/mK
|
0.19
|
0.17
|
0.14
|
0.25
|
0.19
|
0.23
|
0.15
|
0.24
|
0.22
|
0.43
|
0.16
|
Specific heat capacity |
kJ/kg-K
|
0.96
|
0.96
|
1.12
|
1.95
|
0.9
|
1.0
|
1.7
|
1.8
|
1.0
|
|||
Melting Point |
DIN 53736 |
°C
|
178
|
162
|
240
|
275
|
305
|
270
|
214
|
165
|
130
|
160
|
|
Upper permanent service temp-limit |
°C
|
150
|
150
|
160
|
205
|
260
|
155
|
150
|
260
|
100
|
85
|
60
|
|
Under permanent service temp-limit |
°C
|
-40
|
-40
|
-76
|
-190
|
-190
|
-190
|
-250
|
-200
|
-15
|
-50
|
-15
|
|
Vital point B | DIN 53460/B |
°C
|
140
|
116
|
116
|
70
|
74
|
130-140 |
102
|
65
|
70-80
|
||
Oxygen index |
ASTM D2863 |
%
|
43.7
|
57
|
60
|
95
|
95
|
30
|
100
|
95
|
|||
Fire Class |
UL 94 |
V-0
|
V-0
|
V-0
|
V-0
|
V-0
|
V-0
|
V-0
|
V-0
|
V-0
|
HB/V-2
|
V-2
|
V-0
|
All technical data applies to raw material and should not be applied to finished products automatically without verification