CS-10-100 Cork Stopper, Size 10 (Pack of 100)

Quality, laboratory grade cork stoppers.

• Cork stoppers are simple yet versatile tools for science demonstrations and laboratory activities.
• The natural cork has imperfections including holes. Sealing Test Tubes and Flasks: Use cork stoppers to securely close test tubes, flasks, or other glassware during experiments to prevent spills and evaporation.
• The cork is safe for use with food products. Density Experiments: Use cork stoppers as floating objects to demonstrate buoyancy and density in water.
• DIY Lab Equipment: Cork stoppers can be modified to hold thermometers, pipettes, or glass tubing, making them essential for custom lab setups.