Description:

Livingstone Cork Stoppers (Item No. CRK23X19) are precision-cut, high-quality laboratory stoppers designed for securely sealing flasks, test tubes, and other glassware during experiments and sample storage. Each stopper features a tapered profile with an 18mm base diameter, 24mm top diameter, and 29mm height—delivering a snug, consistent fit for medium-sized lab vessels. These corks are manufactured from naturally sourced material, offering excellent chemical resistance, compressibility, and reusability across varied lab conditions.

Sold in packs of 10, these stoppers are ideal for science educators, technicians, and researchers seeking dependable sealing solutions for liquids and gases. Whether used in chemical demonstrations, sample preservation, or routine classroom setups, Livingstone’s corks ensure minimal evaporation and contamination while maintaining a tight seal. Backed by Australian-managed quality standards, CRK23X19 cork stoppers provide trusted performance in educational, industrial, and research environments.