Specification Brand : Affordable Distillery Equipment BulletPoint : Raschig Rings BulletPoint1 : Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments BulletPoint2 : Can be used in a wide temperature range from -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C) BulletPoint3 : Round in cross-section to provide a seal between cylindrical overlapping surfaces BulletPoint4 : Durometer (hardness) of 70A for resistance to penetration BulletPoint5 : Meets standards defined by Aerospace Standard AS568A Color : Black ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 0689860849884 ExternallyAssignedProductIdentifier2 : 689860849884 ItemDisplayWeight : 4.84 pounds ItemName : 1 Liter of 1/4" Raschig Rings ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 0.9 centimeters ItemPackageDimensions_Width : 8.7 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : EPDM ModelNumber : 109 NumberOfItems : 100 PartNumber : ORP-109-C ProductDescription : 1/4" Raschig Rings, with a volume of around 1 liter. These rashig rings are great for column filling due to their large surface area. ProductSiteLaunchDate : 2017-06-13T16:28:34.702Z Size : 109 Style : Threaded UnitCount : 100 UnspscCode : 52150000