Search our 2,700+ Standard & Special Size O-Ring Tooling List. O-Rings are available with inside diameters (ID) as small as .004" and as large as 34". If you can't find your O-Ring size, please call - new O ring sizes are added regularly. If we are not tooled for your non-standard O-Ring, we can make a special tool in our On-Site mold shop.

Click here to view our O-Ring Brochure.

PAI has 1,200 compounds in a wide variety of materials:

Nitrile
HNBR
Silicone
Viton®
EPDM
Urethane
Fluorel®
Aflas®
Neoprene®
Hypalon®
Vamac®
Natural
Butyl Hydrin®
Fluorosilicone
XNBR
SBR
Polyacrylate
Chlorinated Polyethylene
Perfluoroelastomer

To select by Polymer, click on a link above or go to our Polymers page
Click here for a key to the Compound Feature Codes

Please Note: We sell these materials as Molded Products - we do not sell raw rubber compounds nor Polymers