Description
Product Overview
The Dinglab Three Necks Round Bottom Flask is a precision-crafted laboratory essential designed for complex chemical processes. Constructed from high-purity borosilicate glass, it offers exceptional resistance to thermal shock, chemicals, and mechanical stress. Each neck features a standard 24/40 ground joint, ensuring secure connections with other lab apparatus like condensers, thermometers, or addition funnels. This flask is available in various sizes, including 100ml, 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml, 10000ml, and 20000ml, to accommodate diverse experimental scales. Its robust design supports heating, mixing, and distillation tasks, making it a versatile tool in scientific research, industrial quality control, and educational laboratories.

Usage
This flask is ideal for a wide range of laboratory applications, including organic synthesis, distillation setups, reflux reactions, and multi-component experiments. It is commonly used in research institutions, pharmaceutical labs, chemical manufacturing plants, and academic settings for tasks such as solvent purification, compound isolation, and catalytic studies. The three-neck configuration allows simultaneous attachment of equipment, facilitating complex procedures without the need for multiple vessels. Target users include professional chemists, lab technicians, university students, and industrial operators who require reliable, heat-resistant glassware for precise and repeatable results.
Why Choose Us
Dinglab prioritizes quality and consistency, with each flask manufactured to meet stringent industrial standards. The use of borosilicate glass ensures longevity and safety, reducing the risk of breakage under extreme temperature changes. Our flasks are designed with uniform ground joints for compatibility with a wide array of lab accessories, enhancing usability and reducing setup time. Additionally, Dinglab’s commitment to customer satisfaction includes rigorous quality checks and responsive support, providing a trustworthy solution for critical laboratory workflows.
Key Features
- Made from borosilicate glass for excellent thermal and chemical resistance
- Features three 24/40 ground joints for versatile apparatus connections
- Available in multiple sizes to suit various experimental needs
- Ideal for distillation, boiling, and complex reaction setups
- Durable construction ensures long-term reliability in lab environments
FAQ
What is the material of this flask?
The flask is made from borosilicate glass, which provides high resistance to thermal shock, chemicals, and physical stress, making it suitable for heating and aggressive substances.
What sizes are available?
It comes in sizes ranging from 100ml to 20000ml, including 250ml, 500ml, 1000ml, 2000ml, 3000ml, 5000ml, and 10000ml, to fit different lab scales and volumes.
Can I use this flask for distillation?
Yes, the three-neck design is perfect for distillation setups, allowing attachment of a condenser, thermometer, and other components simultaneously for efficient vapor handling.
Are the ground joints standardized?
All necks feature 24/40 ground joints, which are industry-standard sizes ensuring compatibility with many laboratory glassware and accessories.
Is it safe for heating applications?
Absolutely, the borosilicate glass construction withstands direct heating from sources like Bunsen burners or hot plates, provided proper safety protocols are followed.




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