Over time and in certain industries, specific o-ring colors have been used to differentiate between materials. Below are a variety of o-ring colors and the most common materials associated with each color.
**Disclaimer: It is never safe to assume an o-ring is a specific material based on the color alone.**
Please note that Global O-Ring and Seal can supply ANY O-RING IN ANY COLOR. Please call 832-448-5550 or fill out the form on this page with your specifications on o-ring color and material.
|O-Ring||O-Ring Color||O-Ring Material|
|Black||NBR | Viton® | AFLAS | EPDM | Neoprene | FFKM|
|Green||Viton® | HSN/HNBR|
|Red (Rust)||Silicone | TES/PFAS|
|White||NBR | Viton® | Silicone | EPDM | PTFE (Teflon)|
|Yellow||NBR | Viton®|
|High-Visibility Green||NBR | Viton®|