Nitrile & Teflon® Back-Up Ring Kits

Global Rubber Products Ltd. has back-up kits available in Buna’n 90 Durometer (Nitrile) and Teflon®. These products are shipped worldwide from our location in Toronto, Canada.


To order, please use our online quote and ordering form found on the “Contact Us” page. Also, be sure to check out our catalogue for a full listing of our products.

9K300 Buna'n 90 Durometer – Nitrile
The Buna’n 90 Durometer Nitrile back-up kit includes 36 ring sizes, with 293 rings in total.

9K300 Buna'n 90 Durometer – Nitrile
Quantity Size Quantity Size
10 5 10 114
10 6 10 115
10 7 5 116
10 8 5 117
10 9 5 118
10 10 5 119
10 11 5 120
10 12 5 121
10 13 5 210
10 14 5 211
10 15 5 212
10 16 5 213
10 17 5 214
10 18 5 215
10 110 5 216
10 111 5 217
10 112 5 218
10 113 5 219

9K310 Teflon® Back-up Ring Kit
Global Rubber’s 9K310 Teflon® Back-up Ring Kit includes 325 rings, in 36 sizes. These rings are scarf cut (split) for easy installation.

9K310 Teflon® Back-up Ring Kit
Quantity Size Quantity Size
15 5 10 114
15 6 10 115
15 7 10 116
15 8 5 117
15 9 5 118
15 10 5 119
15 11 5 120
15 12 5 121
10 13 5 210
10 14 5 211
10 15 5 212
10 16 5 213
10 17 5 214
10 18 5 215
10 110 5 216
10 111 5 217
10 112 5 218
10 113 5 219
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