Stoppers, Rubber Stopper, Assortment

Rubber Stopper Assortments
These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Autoclavable. These convenient assortments of various sizes of rubber stoppers are sold as one-pound bags.