Product Description
The Stopcock Glass Stopper is an excellent piece of laboratory equipment engineered to control and regulate the flow of gases and liquids in laboratory glassware and distillation applications. Constructed from premium borosilicate glass, it offers superior strength and chemical resistance, making it suitable for a wide range of scientific and industrial uses.
The precision-ground glass joint maintains an airtight seal, even under the most demanding laboratory conditions, ensuring safe and accurate operations in research and analytical environments.
Key Features : Stopcock Glass Stopper
- Premium Borosilicate Glass – Made of high-grade borosilicate 3.3 glass for superior durability, clarity, and temperature resistance.
- Precision-Ground Taper Joint – Provides a secure, vacuum-tight seal with laboratory glassware.
- Chemical & Heat Resistant – Resists acids, alkalis, solvents, and high-temperature variations without debonding.
- Easy Flow Control – Designed for accurate regulation of fluid and gas flow within laboratory systems.
- Reusable & Autoclavable – Built for long-term use, easily sterilizable for repeated applications.

Applications
- De-clustering Slides – Controls grain separation and prevents unwanted mixing.
- Distillation Apparatus – Enables easy control of vapor flow for condensing and solvent recovery.
- Vacuum Systems – Ensures a tight, reliable seal for vacuum operations.
- Burettes & Titration Instruments – Provides precise dispensing of liquids.
- Research & Educational Labs – Widely used in universities, R&D centers, and industrial laboratories.
Why Choose Stopcock Glass Stopper
- High Accuracy & Regulation – Allows precise flow control for gases and liquids.
- Durable & Less Prone to Breakage – Made from strong borosilicate glass.
- Leak-Proof Sealing – Provides airtight performance even under positive or negative pressure and vacuum.
- Versatile Laboratory Use – Suitable for separating funnels, condensers, burettes, and distillation setups.
- Reliable Quality – Manufactured according to GMP and international laboratory standards.
Specifications
- Product Type: Stopcock Glass Stopper
- Material: Premium-grade borosilicate glass
- Construction: Precision-cut taper for a perfect seal
- Temperature Resistance: Withstands extreme heat and thermal shocks
- Chemical Resistance: Resistant to acids, alkalis, and organic solvents
- Sterilization: Autoclavable and easy to clean
- Applications: Ideal for regulating flow in separating funnels, burettes, condensers, and vacuum systems
Price in Bangladesh
You can buy the Stopcock Glass Stopper at the best price on our website or from our physical store. For special trade offers and bulk purchase discounts, please contact M/S Bright Scientific Co.
Where to Buy
The Stopcock Glass Stopper is available through M/S Bright Scientific Co., a leading importer, distributor, and supplier of laboratory glassware and scientific instruments in Bangladesh. All products are designed and manufactured for laboratory use and comply with international quality standards.
Why Purchase from M/S Bright Scientific Co.?
- Reputable Seller – Trusted by laboratories across Bangladesh.
- Competitive Pricing – Premium-quality stopcock glass stoppers at economical prices.
- Fast & Safe Delivery – Nationwide delivery within seven working days.
- Custom Designs – Special sizes and configurations available upon request.
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976







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