RubberMill produces rubber stoppers for the lab, commercial, medical, food and beverage, and industrial markets. Our standard grade stoppers are manufactured from a premium grade SBR black rubber compound. The 40 ± 5 durometer material is soft, pliable and long lasting. Solid, one-hole and two-hole stoppers are stocked for immediate shipment.
Please select from the following options and click for more information on our standard lab stopper sizes.