This milky white O-ring, sometimes called a 10,000 psi O-ring, is made of Polyurethane. Available in three sizes for SCUBA regulator-to-valve sealing
5 lb Hammer Strength Urethane Round Olympic Plates | Barbells & Weight Plates for Olympic Bar | High Quality Weights & Curl Bars | Hammer Strength
Parker Oring Kit - Parker O-Ring Kits for AS568 & Inches Size
Polyurethane O-Ring
All About O-Rings: From Basics to Advanced Applications
Polyurethane rubber cord
HT Blue O-Rings - Russell Conveyor & Equipment
Polyurethane O-Rings, PU / TPU O-Rings China Manufacturer - Savvy
112 Scuba Dive O-rings NBR 90Sh valve - Scuba Gaskets
5mm x 12mm x 5.5mm U-Cup Hydraulic Seal – Totally Seals
Different Sizes Neoprene HNBR Polyurethane FVMQ O-Rings
China SNS Pneumatic OD 5/16 10 Meters PU Tube Pneumatic Air