8. Parbak - Back up rings - O-Rings-Stock O-Ring Webshop
Global O-Ring and Seal on Twitter: "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
Back-up Ring | Static Seals | Trelleborg
Case Study: Benefits of a Contoured Back-Up Ring | Marco Rubber and Plastics
Back Up Rings for O Rings | Specialist Sealing Products
O-Rings? O-yeah! How to Select, Design, and Install O-Ring Seals – Tarkka
Size 112 Virgin PTFE Industrial Back-Up Ring Solid