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| |
| Technical
Specification |
| |
ASTM
Test
Method
|
|
Torlon
4203
|
|
Property
|
Units
|
| Specific
Gravity |
D792
|
-
|
1.40
|
|
Water
Absorption Saturation in water
|
D570
|
%
|
3.5
|
|
Tensile
Strength
|
D638
|
N/mm²
|
192
|
| Tensile
Modulus |
D638
|
N/mm²
|
4900
|
| Elongation |
D638
|
%
|
15
|
| Flexural
Strength |
D790
|
N/mm²
|
244
|
| Flexural
Modulus |
D790
|
N/mm²
|
5000
|
| Impact
- Izod Notched [23°C, 50% RH] |
D256
|
J/M
|
142
|
| Hardness |
Rockwell
|
-
|
E86
|
|
Shore
D
|
-
|
-
|
| Melt
Point |
D2117
|
°C
|
-
|
| Max
allowable service temp in air |
|
|
|
|
-
for short periods (1)
|
-
|
°C
|
260
|
|
-
continuously for 20000hrs (2)
|
-
|
°C
|
230
-260
|
| Minimum
Service Temperature |
-
|
°C
|
-190
|
| Linear
thermal expansion coefficient |
D696
|
K-1x
10-5
|
3.06
|
| Thermal
Conductivity |
C117
|
W/K.M
|
0.26
|
| Flammability |
D635
|
-
|
-
|
| UL
(thickness in mm) [Tests carried out using UL test methods by DSM EPP]. |
UL-94
|
-
|
V -
0 (1.17)
|
| Volume
Resistivity |
D257
|
Ohm.cm
|
2 x
1015
|
| Dielectric
Strength (3) |
D149
|
kv/mm
|
23.6
|
| Outside
applications - UV resistance |
-
|
-
|
C
|
| Acids
- Strong [pH < 3] |
-
|
-
|
A
|
| Alkalis
- Strong [pH > 11] |
-
|
-
|
C
|
| Chlorinated
Hydrocarbons |
-
|
-
|
-
|
| Hot
Water |
-
|
-
|
A
|
-
(1)
Only a few hours, with little or no load applied
-
(2)
After these periods mechanical properties reduce by approx 50%.
Note, however, that service temperatures are load and time
dependant.
-
(3)
Test specimen 1.6mm thick unless otherwise stated.
-
'A'
No attack
-
'B'
Mild attack by absorption
-
'C'
Dimensional change due to absorption
-
'D'
Decomposition in short time
-
'E'
In steam - at 160°C, decomposition after short time
|
| |
|
