Specification Brand : Othmro BulletPoint1 : Size-Outside Diameter: 8mm / 0.31"; Cross-Section Diameter: 2mm / 0.08" BulletPoint2 : Noted for their ability to be used over a wide temperature range and for excellent resistance to ozone, weathering, and aging. BulletPoint3 : They are circular in shape, round in cross-section,Designed for use in a wide variety of sealing applications. BulletPoint4 : Features - Silicone O-rings round in cross-section to provide a seal between cylindrical overlapping surfaces. BulletPoint5 : Applications - Silicone O-ring used widely for mechanical sealing, pressure vessel, gas compressor, reaction vessel, heat exchanger, boiler, filter, and other fields. Color : 50Pcs 8×2mm Red ExternallyAssignedProductIdentifier1 : 0889325469514 ExternallyAssignedProductIdentifier2 : 889325469514 ItemName : Othmro 50Pcs Silicone O-Rings VMQ Seal Rings Gasket Round O-Rings Metric Buna-N Sealing Gasket for Engines Compressor Valves Pipe Repair Red (50Pcs 8×2mm Red) ItemPackageDimensions_Height : 6.7 centimeters ItemPackageDimensions_Length : 0.4 centimeters ItemPackageDimensions_Width : 4.1 centimeters ItemTypeKeyword : o-ring-seals Manufacturer : Othmro ModelNumber : OTH190809Y-0957 NumberOfItems : 1 PartNumber : Othmro ProductDescription : Circular Cross-Section ?They are circular in shape, round in cross-section. ?Designed for use in a wide variety of sealing applications. ?Commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. Silicone Rubber O-Ring ?Noted for their ability to be used over a wide temperature range and for excellent resistance to ozone, weathering and aging. ?Standard silicones are resistant to water (to 100°C), aliphatic engine and transmission oils and animal and plant oils and fats. ?Silicones are generally not resistant to fuels, aromatic mineral oils, steam (short term to 120°C is possible), silicone oils and greases, acids or alkalis.