|
Comparison Chart of Typical Insulation Materials
|
Thermal
|
PVC
|
Halar
ECTFE
|
PVC
Mylar
|
kynar
|
pfa
|
fep
|
kapton
|
ptfe
|
tefzel
etfe
|
|
1. Maximum Continuous rating - degrees c
|
105
|
135
|
105
|
135
|
260
|
200
|
200
|
260
|
150
|
|
2. low temperature -
degrees c
|
-50
|
-100
|
-60
|
-70
|
-200
|
-200
|
-200
|
-200
|
-100
|
|
3. non-flammability
|
very good
|
excel-
lent
|
very good
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
|
4. solder resistance
|
good
|
very good
|
very good
|
very
good
|
very good
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
|
5. smoke
|
moderate
|
slight
|
moderate
|
light
|
none
|
none
|
none
|
none
|
slight
|
|
electrical
|
|
|
|
|
|
|
|
|
|
|
1. volume resistivity
ohm-cm
|
10 12
|
10 15
|
10 16
|
2 X 10 14
|
10 18
|
2 X 10 18
|
10 18
|
10 18
|
10 16
|
|
2. dielectric strength vpm 1/8" thick
|
350
|
490
|
350 (1 mil film)
|
450
|
430
|
430
|
420
|
430
|
400
|
|
3. dielectric constant
|
5.70
|
2.6
|
3.5
|
7.7
|
2.06
|
2.0
|
2.4
|
0.0002
|
0.008
|
|
4. capacitive frequency stability
|
fair
|
excel-
lent
|
good
|
poor
|
excel-
lent
|
excel-
lentt
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
|
mechanical
|
|
|
|
|
|
|
|
|
|
|
1. density (gm/cc)
|
1.36
|
1.68
|
1.48
|
1.76
|
2.15
|
2.18
|
1.68 (67%)
|
2.20
|
1.70
|
|
2. Tensile psi
|
4,000
|
7,000
|
15,000
|
6,000
|
4,000
|
2,700
|
17,000
|
2,500
|
6,500
|
|
3. elongation %
|
250
|
200
|
50
|
250
|
300
|
250
|
75
|
225
|
100-400
|
|
4. abrasion resistance
|
fair
|
excel-
lent
|
good
|
excel-
lent
|
good
|
good
|
excel-
lent
|
good
|
excel-
lent
|
|
5. cut through resistance
|
good
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
fair
|
fair
|
excel-
lent
|
fair
|
excel-
lent
|
|
6. bondability
|
good
|
good
|
good
|
good
|
poor*
|
poor*
|
excel-
lent
|
poor*
|
good
|
|
environmental
|
|
|
|
|
|
|
|
|
|
|
1. nuclear radiation
|
fair
|
100 mega-
rads
|
fair
|
excel-
lent
|
fair
|
fair
|
200 mega-
rads
|
fair
|
100
mega-
rads
|
|
2. uv radiation
|
fair
|
excel-
lent
|
fair
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
| 3. chemical |
|
|
|
|
|
|
|
|
|
| A) water absorption |
0.7% |
0.01% |
0.6% |
0.04% |
0.03% |
0.01% |
0.8% |
0.01% |
0.1% |
| b) acids |
good |
excel-
lent |
good |
very good |
excel-
lent |
excel-
lent |
fair |
excel-
lent |
excel-
lent |
| C) alkali |
good |
excel-
lent |
poor |
very good |
excel-
lent |
excel-
lent |
fair |
excel-
lent |
excel-
lent |
| D) alcohol |
fair |
excel-
lent |
fair |
very good |
excel-
lent |
excel-
lent |
very good |
excel-
lent |
excel-
lent |
| E) cleaning solvents (tri-chlor, carbon tet) |
slight
swell
|
excel-
lent |
good |
very good |
excel-
lent |
excel-
lent |
very good |
excel-
lent |
excel-
lent |
| F) aliphatic hydrocarbons, gasoline, kerosene |
slight
swell
|
excel-
lent |
fair |
very good |
excel-
lent |
excel-
lent |
very good |
excel-
lent |
excel-
lent |
G) aromatichvdro-carbons
(benenetoluene |
slight
swell
|
excel-
lent |
fair
|
very good |
excel-
lent |
excel-
lent |
very good |
excel-
lent |
excel-
lent |
|
4. long term stability
|
fair
|
excel-
lent
|
good
|
very good
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
excel-
lent
|
* POOR without special BONDING treatment.
|
Factory Automation and Process Control 
