A Seal O-Ring is a type of mechanical seal used to create a reliable and leak-proof seal between the two mating surfaces of the Hydraulic Cylinder. It is made of rubber material and is designed to fit into a groove of the mating part and prevent contaminants from entering the unit.Attributes:• Maintain their original shape even when compressed• Manufactured to precise specifications and are built for durability and reliabilityApplications:A Seal O-Ring is designed to be compressed between two surfaces of the Hydraulic Cylinder creating a tight and reliable seal.