30pcs Lab Equipment Rubber Stopper: Solid Rubber Stopper - Tapered Laboratory Bungs - Leak-Proof Sealing Plugs for Test Tubes Flasks

DescriptionThis lab equipment rubber stopper set features lab solid rubber stoppers with a conical design for secure tube sealing. The rubber stoppers for vials prevent liquid spills and reagent evaporation by tightly fitting tube openings, making them indispensable as bottle stoppers and laboratory rubber stopper assortments for chemistry experiments and classroom routines.Features-Color:Black-Material:rubber-Size:2.50X1.50X1.00cm/0.98X0.59X0.39in-Precise Fit for Tubes: The lab equipment rubber stopper is designed with a solid and tapered structure, tightly sealing experimental bottle mouths to prevent liquid spills and reagent evaporation during standard chemical processes-Stable Laboratory Use: Our lab solid rubber stopper offers a secure installation, minimizing the risk of leaks from stopper loosening, ensuring continuous titration or heating experiments in routine lab environments-Smooth Surface Protection: With a finely crafted conical rubber plug and no burrs, this rubber stopper for vials helps safeguard glass beaker interiors from scrapes, extending container life and reducing errors-Bulk Efficiency for Classrooms: This laboratory rubber stopper assortment includes 30 plug stoppers, meeting bulk experimental needs, ideal for repeated teaching use, enhancing preparation efficiency and group experiments-Wide Compatibility: The lab rubber stoppers suit various tubes and flasks as replacement parts, offering reliable sealing plugs for different laboratory scenarios and bottle stopper applications

• Precise Fit for Tubes: The lab equipment rubber stopper is designed with a solid and tapered structure, tightly sealing experimental bottle mouths to prevent liquid spills and reagent evaporation during standard chemical processes
• Stable Laboratory Use: Our lab solid rubber stopper offers a secure installation, minimizing the risk of leaks from stopper loosening, ensuring continuous titration or heating experiments in routine lab environments
• Smooth Surface Protection: With a finely crafted conical rubber plug and no burrs, this rubber stopper for vials helps safeguard glass beaker interiors from scrapes, extending container life and reducing errors
• Bulk Efficiency for Classrooms: This laboratory rubber stopper assortment includes 30 plug stoppers, meeting bulk experimental needs, ideal for repeated teaching use, enhancing preparation efficiency and group experiments
• Wide Compatibility: The lab rubber stoppers suit various tubes and flasks as replacement parts, offering reliable sealing plugs for different laboratory scenarios and bottle stopper applications