Global O-Ring and Seal on X: "Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here
Size 248 Virgin PTFE Industrial Back-Up Ring Solid
Case Study: Benefits of a Contoured Back-Up Ring | Marco Rubber and Plastics
Back-Up Rings - O-Rings | Performance Sealing Inc
What are Back-up Rings/Anti Extrusion Rings Guide - Barnwell : Barnwell
Back-up ring - Anti-extrusion ring - FRANCE JOINT
Backup Rings | Global O-Ring and Seal
8. Parbak - Back up rings - O-Rings-Stock O-Ring Webshop
ST230 Single Turn Split PTFE Back-Up Ring [ST230] : The O-Ring Store LLC, We make getting O-Rings easy!