ND11 Alu flare cap – RedRubber/PTFE
Preferably recommended for single injections.
In terms of purity, RedRubber is comparable to silicone, but much less expensive.
It RedRubber/PTFE closures are used in GC and HPLC.
The septum is tested to instrument manufacturer quality and is versatile.
Temp. range: -40 °C – 150 °C
Hardness: 45° shore A