1, The O-ring is used for the condition of wide range of pressure and temperature and various medium.
2, Easy to install
3, Different medium needs different material for O-ring.
4, It's sealing effect is formed by O-ring and metal groove, due to the O-ring has rebound to the compression of metal groove, which is putted into the metal groove to achieve sealing effect.
Variety
Feature
Temperature(° C)
NBR
Oil resistance
-30~100
EPDM/EPM
Radioactivity resistance
Alkali resistance
-50~120
FKM
Corrosion resistance
Oil resistance
Heat resistance
-20~200
Audited Supplier 
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