What are the Size and Materials of the Mobile Phase Delivery Bottle Caps and O-rings - FAQ
Date: 04-APRIL-2013 Last Updated: 10-OCTOBER-2025
The mobile phase delivery bottle caps are made of polypropylene with a PTFE insert. The O-rings are made of EDPM (Ethylene Propylene Diene Monomer) and coated with FEP. The caps, inserts, and O-rings are made for use with GL 45 screw thread bottles. The ring has an outer diameter of approximately 36.4 mm and an inner diameter of approximately 28.6 mm.
Click HERE for mobile phase delivery bottle caps ordering information and pictures.
The mobile phase delivery bottle caps are made of polypropylene with a PTFE insert. The O-rings are made of EDPM (Ethylene Propylene Diene Monomer) and coated with FEP. The caps, inserts, and O-rings are made for use with GL 45 screw thread bottles. The ring has an outer diameter of approximately 36.4 mm and an inner diameter of approximately 28.6 mm.
Click HERE for mobile phase delivery bottle caps ordering information and pictures.