Description
Our B-19 Amber Glass Stoppers deliver superior sealing performance and sample protection for your laboratory reagent bottles. Precision-engineered with a solid cone design and flat head, these borosilicate glass closures create an airtight fit that safeguards your research from oxidation, contamination, and evaporation while maintaining long-term analytical accuracy.
- Borosilicate glass construction for exceptional chemical and thermal resistance
- Solid cone B-19 design ensures precise, secure fit for 125ml and 250ml bottles
- Amber color reduces light exposure and protects light-sensitive compounds
- Flat head design prevents tipping and enables stable, space-efficient storage
- Laboratory-grade quality meets rigorous institutional standards
- Ideal for titration, sample handling, analytical procedures, and long-term preservation
Why Custom Scientific Glassblowing?
We manufacture specialized research components with precision engineering and uncompromising quality control. Our amber stoppers are trusted by research institutions and analytical laboratories worldwide. Whether you’re conducting routine analyses or critical research, our borosilicate glass stoppers provide the reliability, durability, and chemical resistance your lab demands.
Order your B-19 amber stoppers today and experience the difference premium laboratory glassware makes in protecting your valuable samples and research integrity.


