tabulation
|
Type |
Temperature |
Medium |
Describe |
|||||||
|
Low /℃ |
High/℃ |
acid |
alkali |
oil |
water |
steam |
ozone |
corrosion |
||
|
FFKM |
-30 |
300 |
● |
● |
● |
● |
● |
● |
● |
Excellent media resistance, heat resistance, stability,excellent physical and mechanical properties |
|
FKM |
-15 |
200 |
● |
● |
● |
○ |
○ |
● |
○ |
On the basis of the original FKM formulation, the media resistance is improved |
|
HNBR |
-30 |
150 |
● |
● |
● |
○ |
○ |
● |
○ |
On the basis of the original HNBR formulation, the media resistance is improved |
|
NBR |
-50 |
100 |
● |
● |
● |
○ |
○ |
○ |
○ |
Most widely used rubber material, and its properties are relatively balanced |
|
EPDM |
-50 |
150 |
● |
● |
○ |
● |
● |
● |
● |
Excellent water resistance, but no resistance to oil-based liquids |
|
PU |
-30 |
80 |
○ |
● |
● |
○ |
○ |
○ |
○ |
Excellent mechanical properties, but the temperature grade is relatively low, and the acid resistance and hydrolysis resistance are poor |
● Supported ○ Unsupported
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