NBR Black O-Ring Assortment Kit 1 Box Of 225Pcs CS 1.5mm OD 6mm~30mm Nitrile Seals for Pumps/Valves Durable Mechanical Sealing

High-concerned chemical：None Standard or Nonstandard：Standard Model Number：NBR O-Ring Material：Rubber Origin：Mainland China Shape：Ring Gasket Certification：RoHS Color：Black Temperature：-40℃~120℃ Thickness：1.5mm Outside Diameter：6/7/8/9/10/12/14/16/18/20/24/25/26/28/30mm Hardness：70

High-concerned chemical: None Standard or Nonstandard: Standard Model Number: NBR O-Ring Material: Rubber Origin: Mainland China Shape: Ring Gasket Certification: RoHS Color: Black Temperature: -40℃~120℃ Thickness: 1.5mm Outside Diameter: 6/7/8/9/10/12/14/16/18/20/24/25/26/28/30mm Hardness: 70