Polyurethane

Cast Urethane (Disogrin®) O-Rings

Cast polyurethane (Disogrin®) O-Ring guide: the best abrasion, tensile, and extrusion resistance of any common O-Ring material, plus the hydrolysis limit that decides where it belongs.

Millable Urethane (EU) O-Rings

Millable polyurethane (EU) O-Ring guide: temperature range, abrasion and tensile strength, low gas permeability, hydrolysis resistance, limitations, and the grades we stock for air guns, paintball markers, and pneumatics.