Description
Duran Lab Glass Bottle 50 mL – Precision and Reliability in Every Drop
In the world of scientific research, precision is not a luxury—it is a requirement. When you are working with sensitive chemical reagents, microbiological media, or precious samples, the storage vessel you choose can directly impact the integrity of your results. The Duran Lab Glass Bottle 50 mL is the gold standard for laboratory storage. Manufactured by DWK Life Sciences (Schott Duran), this bottle is engineered to provide superior chemical resistance, thermal stability, and long-term durability.
At A Rahman Scientific Co., we understand the specific needs of laboratories in Bangladesh. Whether you are running a pharmaceutical quality control unit, a university research laboratory, or a diagnostic medical center, finding a reliable Duran 50 mL Laboratory Glass Bottle is essential for maintaining standard operating procedures and ensuring accurate scientific data. Our commitment is to provide authentic, high-quality laboratory glassware that meets international safety and precision standards.
Understanding the Technical Specifications of Duran 50 mL Laboratory Bottle
The Duran 50 mL Reagent Bottle is not just any glass container; it is a masterpiece of material science. Engineered from high-purity borosilicate 3.3 glass, this vessel is designed to withstand the rigorous demands of daily laboratory life.
Borosilicate 3.3 Glass Composition
The core of the Duran Borosilicate Glass Bottle 50 mL is its material. Borosilicate 3.3 glass is a USP/EP Type I neutral glass. This ensures that the glass does not leach ions into your reagents, preventing contamination. This material is highly resistant to water, neutral and acidic solutions, concentrated acids, and acid mixtures. This makes it an ideal choice for chemical storage bottles where purity is paramount.
Design and Scalability
The Duran 50 mL GL45 glass bottle (or GL32, depending on the specific model variation) features a standardized thread system that allows for a tight, leak-proof seal. The inclusion of a blue polypropylene screw cap and pouring ring ensures that liquids are handled cleanly, minimizing the risk of drips or splashes during pouring—a critical feature when handling hazardous or expensive chemicals. The printed, easy-to-read white enamel graduation marks allow for precise volume estimation, while the retrace code on each bottle ensures full manufacturing lot traceability.
Why Choose Duran Borosilicate Glass Bottle 50 mL for Laboratory Testing
When researchers and purchasing managers search for laboratory supply equipment in Bangladesh, they are often faced with a variety of options. However, there is a reason why the Duran brand laboratory glassware remains the industry leader.
Superior Thermal Shock Resistance
One of the primary benefits of the Schott Duran 50 mL Laboratory Bottle is its ability to withstand rapid temperature changes. Laboratories often require glassware that can transition from freezer storage to an autoclave sterilizer without cracking. The low coefficient of thermal expansion of the 3.3 borosilicate glass ensures that these bottles can undergo autoclave sterilization (at 121°C or 134°C) without compromising the structural integrity of the container.
Exceptional Chemical Durability
In industrial testing and quality control tools, exposure to aggressive chemicals is inevitable. The borosilicate glass reagent bottle structure is chemically inert. This means it resists degradation even when holding aggressive media for long periods. Whether you are preparing media for microbiology or storing concentrated chemical buffers, this bottle ensures the safety of your laboratory environment.
Safety and Ergonomics
Safety is a core pillar of modern laboratory management. The Duran lab glassware design prioritizes both ergonomics and safety. The robust glass construction reduces the risk of breakage, and the standardized pouring ring design facilitates safe liquid transfer, reducing the potential for accidents in a busy lab environment.
Applications of Duran 50 mL Reagent Bottle in Scientific Research
The versatility of this glassware makes it a staple in numerous scientific fields. Understanding where this bottle excels can help you optimize your laboratory supply inventory.
Pharmaceutical and Biotechnology Applications
In the pharmaceutical industry, purity is critical. The Duran 50 mL glass laboratory bottle is widely used for the storage of sensitive APIs (Active Pharmaceutical Ingredients) and high-value chemical reagents. Its Type I glass classification ensures compliance with international pharmacopeia standards.
Microbiology and Media Storage
Microbiology laboratories rely on media storage bottles for the cultivation of bacterial and fungal cultures. Because these bottles are fully autoclavable, they serve as the perfect vessel for sterile media preparation. The clear glass allows for quick visual inspection of the media, ensuring no contamination or unexpected precipitate formation has occurred.
Educational and Analytical Laboratories
For universities and academic research institutions in Dhaka and throughout Bangladesh, these bottles provide a consistent platform for experiments. Whether used for titrations, sample collection, or analytical testing, the 50 mL laboratory glass bottle provides the clarity and reliability required for student training and faculty research.
Sterilization, Maintenance, and Handling
To get the most out of your Duran brand laboratory glassware, proper maintenance is key.
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Autoclaving: These bottles are fully compatible with standard autoclave cycles. Ensure the screw cap is not tightened completely during the process to allow pressure equalization.
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Cleaning: The smooth, inert surface of the glass makes cleaning easy. Residue rarely adheres to the surface, and standard laboratory detergents are sufficient.
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Handling: While durable, borosilicate glass should always be handled with care. Avoid impact with metal surfaces and always use appropriate bottle carriers if transporting large quantities.
Buying Guide: Finding the Best Duran Lab Bottle Price in Bangladesh
If you are looking to buy Duran 50 mL glass bottle online in Bangladesh, it is important to ensure you are sourcing from an authorized dealer. The market for laboratory consumable supplies can be flooded with lower-quality alternatives.
Why Price and Authenticity Matter
A common mistake is focusing solely on the lowest price. When dealing with precision measuring instruments and storage vessels, a “cheap” alternative often lacks the certified borosilicate 3.3 purity. This can lead to sample contamination, breakage during sterilization, or inconsistent experimental results. At A Rahman Scientific Co., we offer competitive pricing on the genuine Duran 50 mL reagent bottle, ensuring you receive the high-quality product your research demands without the risks associated with non-genuine labware.
Streamlining Your Laboratory Supply
For institutions looking for a laboratory glassware importer in Bangladesh, we provide a seamless procurement process. Whether you need a single case or bulk quantities for a new laboratory setup, we offer:
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Fast delivery across Dhaka and the rest of Bangladesh.
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Assurance of genuine, authorized Duran products.
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Detailed specifications and technical support.
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Competitive quotes for institutional procurement.
Frequently Asked Questions (FAQ)
Is the Duran 50 mL glass bottle autoclavable?
Yes, the Duran 50 mL laboratory bottle is fully autoclavable at 121°C or 134°C. Its borosilicate 3.3 glass construction makes it highly resistant to thermal shock, allowing it to withstand standard sterilization cycles in a laboratory autoclave.
What is the difference between this and a standard reagent bottle?
Duran laboratory bottles are made from Type I, Class A borosilicate 3.3 glass, which offers superior thermal and chemical resistance compared to standard soda-lime glass or lower-grade borosilicate alternatives. They are also ISO 4796-1 compliant.
Can I buy this bottle with a different cap?
Yes, the Duran system is highly modular. While they are usually supplied with blue polypropylene caps, you can source high-temperature resistant caps or membrane caps separately depending on your specific application, such as gas exchange during incubation.
Is this product available in bulk for university labs?
Absolutely. A Rahman Scientific Co. specializes in supplying large volumes of laboratory equipment to educational and research institutions throughout Bangladesh. Please contact our sales team for institutional pricing and supply contracts.
How do I identify genuine Duran glassware?
Genuine Duran bottles feature the Duran brand logo, an easy-to-read graduation scale, and a unique retrace code that allows for traceability back to the manufacturing batch.
A Rahman Scientific Co. is the best laboratory equipment seller and supplier in Bangladesh.
For genuine laboratory equipment, A Rahman Scientific Co. is the most trusted supplier in Bangladesh.



























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