|
|
MATERIAL, TEMPERATURE AND HARDNESS |
|
General reference chart
| ||||||||||||||
|
Material |
Temp. |
Hardness | ||||||||||||
|
(Fahrenheit) |
(SH "A"
Durometer) | |||||||||||||
| Butal
(11R)
|
165 |
50 - 75 | ||||||||||||
| Epichlorohydrin (CO/ECO) |
350 |
45 -
75 | ||||||||||||
| Thylene Propylene (EPDM/EPT) |
350 |
35 -
90 | ||||||||||||
| Neoprene
(CR) |
250 |
20 -
95 | ||||||||||||
| Nitrile (NBR) |
275 |
20 -
95 | ||||||||||||
| Isoprene/Natural (IR/NR) |
175 |
35 -
100 | ||||||||||||
| Styrene Butadiene (SBR)
|
175
|
45 -
90
| ||||||||||||
| Silicone (SI) |
450
|
30 - 80
| ||||||||||||
| Viton
(FPM)
|
450
|
60
-85
| ||||||||||||
| Thiokol/Polysulfied (T)
|
200
|
40 - 80
| ||||||||||||
| Hypalon (CSM)
|
275
|
45 -
90
| ||||||||||||
| Urethane
(AU/EU)
|
165
|
35 -
100
| ||||||||||||
| Blue
Max (Geothermal)
|
350
|
70-90 | ||||||||||||
| The above temperature ratings are for general references
only and may vary from compound to compound. Factors such as
material hardness, formulation, chemical environment, working load, size
tolerance (stability), etc. may affect individual materials
differently. Accordingly, specific requirements should be addressed
as such.
| ||||||||||||||
