Rubber, rubber, silicone stoppers
Rubber and silicone stoppers are designed for secure and chemically resistant sealing of laboratory glassware. We cover a wide range of materials (natural rubber, silicone, butyl rubber, EPDM) and shapes (solid, with holes, sleeve stoppers) for various temperature and chemical requirements. Do you need an autoclavable silicone stopper for fermenters or a chemically resistant butyl stopper for solvent work? Find the stopper with the right diameter and material here.
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Laboratory stoppers and plugs provide secure sealing for flasks, tubes, and filtration setups in the auxiliary materials category.
Material Selection
- Silicone: Premium choice, fully autoclavable (121 °C), ideal for culture workflows on shakers.
- Rubber (Natural): Economical solution for general aqueous solutions.
- Bored Stoppers: Featuring holes for thermometers or glass tubing in distillation setups.
