O-ring: FKM, covering: PTFE (completely closed, FDA 21 CFR 177.1550)
Temperature range:
-20 do +200 °C
Advantages:
•No touching materials with elastomer cores as a result of the seamless coating, •easy installation of the seal due to the flexible PTFE centring ring, •universal chemical resistance (as opposed to welded FEP-covered seals), •low friction coefficient (6 x lower than FEP / PFA)