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Table 4.15 Fluororesin characteristics list (representative values)
Characteristic
Melting point
Density Tensile strength Elongation
Compressive strength
Izod impact strength
Rockwell hardness
Shore hardness
Flexural modulus Tensile modulus Dynamic friction Thermal conductivity
Specific heat Coefficient of linear expansion
Ball pressure temperature
Deflection temperature under load Maximum operating temperature (continuous) Volume resistivity Dielectric strength (short term)
Dielectric constant
Loss tangent
Arc resistance Water absorption rate Flame retardance Limiting Oxygen Index (LOI) Effects of direct sunlight Chemical resistance acid alkali Organic solvent
Unit
g/cm3 MPa
MPa [10Deformation]
J/m
[R scale]
[D scale]
GPa GPa [0.69MPa, 3m/min] W/mK 103J/kgK 10-5/ K (-30+30)
[1.81MPa] [0.45MPa]
JIS K 6935 K 7112 K 7162
K 7181
Test method
ISO 12086 1183
527 Same above
604
ASTM D 4591 D 792 D 638
D 695
K 7110
180
D 256
K 7202
2039
D 785
K 7215
868
D 2240
K 7171 K 7161 K 6935 A 1412 K 7123
178 527
8302
D 790 D 638 D 1894 C 177
D 696
Compliance with the Report on Registration System for Thermoplastic Ball Pressure Used in Electrical Appliances
K 7191
75
D 648
PTFE
327 2.13-2.20
20-35 200-400
10-15
150-160 R20
D50-55 0.53-0.58 0.40-0.60
0.1 0.23 1.0 10
180
55 120
cm[50%RH,23] MV/m [3.2mm Thickness] [ 60Hz] [103Hz] [106Hz] [ 60Hz] [103Hz] [106Hz] sec [24hr]
[3.2 Thickness]
K 7226 K 6911 K 6935 K 6935
K 6935
K 7209 K 7140 K 6935
2578 IEC 60093 IEC 60243 IEC 60250
IEC 60250
62 1210 4589
D 257 D 149 D 150
D 150 D 495 D 570 UL-94 D 2863
D 543
260
>1018
19 2.1 2.1 2.1 0.0002 0.0002 0.0002 >300 0.01 V-0
>95
Non
S.E S.E S.E
PFA
310 2.12-2.17
25-35 300-350
15-20 non breaking R50 D62-66 0.54-0.64 0.31-0.35 0.2 0.19 1.0 12
230
47 74
260
>1018
20 2.1 2.1 2.1 0.0002 0.0002 0.0003 >300 0.01 V-0
>95 Non
S.E S.E S.E
FEP
260 2.15-2.17
20-30 250-330
14-19 non breaking R50 D60-65 0.55-0.67 0.32-0.36 0.3 0.2 1.2
9
170
50 72
200
>1018
22 2.1 2.1 2.1 0.0002 0.0002 0.0005 >300 0.01 V-0
>95 Non
S.E S.E S.E
PCTFE
220 2.10-2.20
31-41 80-250 31-51
135-145 R80
D75-80 1.25-1.79 1.03-2.10
0.4 0.22 0.9 6
170
90 126
120
>1018
22 2.6 2.6 2.6 0.0012 0.025 0.020 >300 0.01 V-0
>95 Non
E E V.G
ETFE
270 1.73-1.74
38-42 300-400
40-50 non breaking R50 D67-78 0.90-1.20 0.70-0.85 0.4 0.24 2.0
6
185
74 104
150
>1017
16 2.6 2.6 2.6 0.0006 0.0008 0.005 75 0.03 V-0
32 Non
V.G V.G V.G
ECTFE
245 1.68-1.69
41-48 200-300
35-40 non breaking R50 D53-57 0.66-0.69 1.55-1.70 0.4 0.16 2.0
8
180
77 116
150
>1015
20 2.6 2.6 2.6 0.0005 0.0015 0.015 18 0.01 V-0
60 Non
E E E
PVDF
151-178 1.75-1.78
30-70 20-370 32-74
160-375 R93-116 D64-79 0.60-1.99 0.37-2.58
0.4 0.17 1.2 16
150
100 156
150
>1015
11 8.4 7.7 6.4 0.049 0.018 0.017 60 0.03 V-0
43 Non
E V.G G
PVF
203 1.38-1.57
(82) 115-250
(1.9) 0.14-0.17 1.0 7.1-7.8
100
>1014
8.2-8.5 6.2-6.7 6.2-7.0
0.3 <0.5 HB
23 Non
G V.G G
Super Excellent(S.E): Not attacked by most chemicals and solvents even under harsh conditions. Excellent(E): Some chemicals and solvents need to be used under specific conditions. Very good(V.G): It is necessary to examine the chemicals, solvents, and conditions of use in detail. Good(G): Dissolves in some solvents.
Remark: The values in parentheses are the test conditions.