What is the purpose of the rigid PTFE backing on the High Temperature GC Septa?The rigid surface helps prevent shedding and tearing, whereas the softer silicone rubber provides a reliable seal. The septa should be installed with the rigid yellow surface facing up.
Work with R&D engineers to customize Hamilton parts
Hamilton's "Custom Built" program puts you directly in contact with a Hamilton R&D Engineer to discuss your application and product needs. The engineer will point you to a standard solution or propose a customized solution to meet your needs.Talk to an engineer