PROPERTIES
|
METHOD
OR
CONDITIONS
|
PARYLENE
C
|
EPOXIES
|
SILICONE
|
URETHANES
|
T
(melting),
°C
|
Taken
from
secant
modulus
temperature
curve
|
280
|
Cured
|
Cured
|
~170
|
T
(glass
transition),
°C
|
Taken
from
secant
modulus
temperature
curve
|
80-100
|
120
|
-130
|
-10
|
T5
(where
modulus =
105),
°C
|
Taken
from
secant
modulus
temperature
curve
|
125
|
110
|
-125
|
-30
|
T4
(where
modulus =
104),
°C
|
Taken
from
secant
modulus
temperature
curve
|
240
|
120
|
-80
|
0
|
Linear
Coefficient of
Expansion
(l05/°C)
|
ASTM
0696-44
(61)
|
3.5
|
4.5
-
6.5
|
25 -
30
|
10 -
20
|
Specific
Heat
@
20°C
cal/g/°C
|
|
0.17
|
0.25
|
|
0.42
|