Glass stoppers
There are no products to list in this category.
Premium Laboratory Glass Stoppers - Professional Grade Glassware
Discover our comprehensive collection of laboratory glass stoppers designed for precision laboratory applications. Our high-quality borosilicate glass stoppers provide reliable sealing solutions for flasks, bottles, and various laboratory containers, ensuring optimal sample integrity and chemical compatibility.
Key Features
- Borosilicate glass construction - Superior chemical resistance and thermal stability
- Precision ground glass joints for secure, airtight seals
- Standard taper sizes including 14/20, 19/22, 24/29, and 34/45
- Smooth surface finish preventing contamination and ensuring easy cleaning
- Temperature resistance from -80°C to +500°C
- Autoclavable for sterilization requirements
Applications
Our laboratory glass stoppers are essential for analytical chemistry, organic synthesis, pharmaceutical research, and quality control laboratories. Perfect for sealing volumetric flasks, reagent bottles, storage containers, and reaction vessels. These stoppers maintain sample purity in chromatography preparations, titration procedures, and long-term storage applications.
Technical Specifications
Manufactured from Type I borosilicate glass with low alkali content, our stoppers meet international laboratory standards. Available in solid and hollow configurations with standard taper ground glass joints. Each stopper undergoes quality inspection for dimensional accuracy and surface finish, ensuring consistent performance in critical laboratory procedures.
Our partners
