Global O-Ring and Seal, LLC - 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
Common Uses of Backup Rings
Backup Rings | Global O-Ring and Seal
What are Back-up Rings/Anti Extrusion Rings Guide - Barnwell : Barnwell
Case Study: Benefits of a Contoured Back-Up Ring | Marco Rubber and Plastics