O-Ring Colors

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
Blue Fluorosilicone
Brown Viton®
Clear Urethane
Green Viton® | HSN/HNBR
Red (Rust) Silicone | TES/PFAS
White NBR | Viton® | Silicone | EPDM | PTFE (Teflon)
Yellow NBR | Viton® 
High-Visibility Green NBR | Viton®


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