Convenient assortments of various sizes of rubber stoppers in 1-lb. bags.

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Product Review

Convenient assortments of various sizes of rubber stoppers in 1-lb. bags.

  • Tapered Design - Smooth and tapered sides make these stoppers easy to plug and pull. All United Scientific rubber stoppers are reusable, and promote a sustainable laboratory or classroom environment.
  • Natural Rubber - Made from premium natural rubber, not easy to deform, elastic and great for sealing. Manufactured according to laboratory standards.
  • Extensive Use - Rubber stopper Ideal for laboratory and industrial use, can be used to seal test tubes, flasks, etc. Available in a wide range of sizes.
  • Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). They do contain latex.
  • Size: #2 to #8 Assorted sizes, stoppers.

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