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