ND9 PP- Screw hole cap – Silicone / PTFE, UltraBond
With an UltraBond closure system, the screw cap and septum are inseparably connected.
The molecular structure of the contact surface between the PP screw cap and the
Septum is changed so that a connection can be made without the use of adhesives.
arises. The short thread cap ND9 becomes particularly tight due to this connection of septum and cap.