Seal Ring Seal Ring is used for sealing or damping,seal gas,water,oil. Application: Automotive, Transportation, Filling Machinery, Food Machinery, Oil exploitation, Sanitary plumbing,Medical Machinery, Textile machinery, Mining machinery,etc. Feature of seal ring: Non-toxic; oil-resistant; heat resistant; abrasion-resistant; aging resistant; insulation;acid and alkaline resistant; airtight; shock ...