PROPERTIES OF SEAL ELEMENT MATERIALS
|
ELEMENT MATERIALS COMMON NAME |
NITRILE |
NEOPRENE |
SILICONE |
FLURO-ELASTOMER |
FLURO-ELASTOMER |
|
ASTM DESIGNAION |
NBR |
CR |
SI |
FKM |
EPDM |
|
|
R |
C |
S |
V |
E |
TEMPERATURE PROPERTIES
| RANGE℃ | －40～+120 | -30～+110 | -70～+190 | -40~+200 | -40~150 |
| WEATHER | G | E | E | E | E |
| FLAME | P | G | E | E | E |
MECHANICAL PROPERTIES
| TENSILESTRENGTH | E | G | P | E | E |
| ELONGATION | G | G | P | G | G |
| COMPRESSION SET | E | F | E | G | F |
| RESILIENCE | G | G | P | F | G |
| ABRASION | E | E | F | G | F |
| IMPACT | F | G | F | G | G |
| TEAR | G | G | F | F | F |
| ELECTRICAL | F | F | G | F | F |
ENVIRONMENTAL PROPERTIES
| LUBRICANTS | E | G | P | E | F |
| IND.FLUIDS | G | G | P | G | G |
| CHEMICAL | E | F | E | G | F |
| OZONE | G | G | P | F | G |
| ACID | E | E | F | G | F |
| ALKALI | F | G | F | G | G |
| ALCOHOLS | G | G | F | F | F |
| WATER | F | F | G | F | F |
| RADIATION | |||||
| STEAM |
E=EXCELLENT G=GOOD F=FAIR P=POOR
Note: The above indicates that the data elements listed above are generally applicable, there will be a mixture
of different number of other changes.