10 Best Lab Dewar Flasks
#1 Best Pick
Maxwell & Williams Cocktail & Co Hip Flask 170ML Stainless Steel Gift Boxed
Brand: Maxwell & Williams
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- Elegant shape with a sleek profile and captive lid, designed for Cocktail & Co by Maxwell & Williams
- 170ml hip flask
- Stainless steel
- Gift boxed
- Hand wash recommended
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#2 Best Value
New Brown Glass Volumetric Flask with Stopper - 5ml to 2000ml Lab Glassware(2000ml)
Brand: YIOOSA
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- Amber colored glass for optimal light protection and precise measurements
- Available in a wide range of sizes: 5 ml - 2000 ml, suitable for a variety of laboratory applications
- Safety stopper included to prevent evaporation and ensure accurate liquid handling
- Ideal for laboratories, educational institutions and research facilities
- Durable, easy to clean and suitable for repeated use in a variety of experiments
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#3 Budget Pick
3-Flat-Bottom Flask Set, Laboratory Boiling Flask, Long-Necked Round-Bottom Transparent Glass Cup, Chemical Laboratory Equipment, Suitable for Schools, Laboratories, and Homes
Brand: SHENMAIDAY
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- Suitable Size and Capacity: The product includes three round-bottom flasks in three sizes: small (diameter 6.3 cm x height 11.2 cm), medium (diameter 8.8 cm x height 15.7 cm), and large (diameter 10 cm x 19.8 cm), with capacities of 100 ml, 250 ml, and 500 ml respectively.
- Spherical Structure Design: The round bottom design ensures uniform heating and makes the flasks less prone to breakage under vacuum conditions because the spherical shape evenly distributes surface stress. High transparency facilitates observation of solution changes.
- Superior Material: Made of high-quality borosilicate glass, with uniform wall thickness, odorless, high hardness, good toughness, durability, easy cleaning, and reusability.
- Heat Resistance: Round-bottom flasks are less prone to breakage under vacuum conditions because the spherical shape evenly distributes surface stress. They can be heated directly over an open flame and can withstand common laboratory temperature changes in chemical processes, such as heating and cooling.
- Wide Applications: Round-bottom flasks are widely used in organic chemistry, distillation, or vacuum distillation apparatus. The unique tubular design is both aesthetically pleasing and practical. Suitable for various laboratories
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#4 Top Choice
POPETPOP Laboratory Glass Erlenmeyer Flask Conical Flask Cork for Chemistry Science Experiments Wide Neck Lab Glassware
Brand: POPETPOP
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- Material - The glass flask is made of glass material, which is durable and has no peculiar smell.
- Accurate Graduation - The glass flask has accurate graduations on the surface, allowing you to measure liquids efficiently and accurately.
- Smooth & Round - The glass flask has no bubbles, no burrs, smooth and round, does not hurt hands.
- Not Easy to Spill - The flask is easy to store and carry, and the flask with lid can the liquid from splashing out of the bottle.
- Wide Application - The glass flask is suitable for laboratory, chemistry, scientific experiment, liquid measurement.
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#5 Popular Choice
Three Necks Round Bottom Flask Heavy Wall Borosilicate Glass Lab 3 Neck Round Bottom Boiling Flask Multi Neck Distillation Apparatus Organic Chemistry Lab Glassware (2000ml)
Brand: AUFengHeng
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- 【Material】:Made of high-purity and clear boroslicate glass 3.3 tubing, with uniform wall thickness and low thermal expansion coefficient.Hand-blown and polished for the perfect fit.
- 【Standard Joints】: Joints are all standard 24/29 size; easy to install and replace. joints are frosted for high air-sealed and no air leakage, ensuring distillation purity.
- 【Easy to Clean】:The reusable glass scientific flasks are easy to clean and can be sterilized safely in autoclaves, making them ideal for repeated use in busy lab environments.
- 【Versatile Application】: Three Necks Flask is a type of laboratory glassware used for heating and distilling liquids.Commonly used in chemistry, biochemistry, and pharmaceutical research, as well as in educational settings for experiments and demonstrations.
- 【After Sales Service】:Each part is individually wrapped and cased in Styrofoam to ensure that the goods will not easily damaged during transportation.If you have any questions about our products, please contact us and we will resolve them for you within 24 hours.
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#6 Top Pick
Eiarrnp 8oz Leather Flask for Liquor for Men Women - Gift Set Box Includes Flask Funnel Cups - Leak Proof Brown PU Leather Groomsmen Flask Set Perfect for Groomsmen Best Man Gifts
Brand: Eiarrnp
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- High Quality: This 8oz flask is made of high-quality stainless steel. The flask is also equipped with a leak-proof cap and a stainless steel funnel, making it easy to pour and drink.
- Classic Design: The flask has a brown PU leather design, which makes it look elegant and stylish. The leather is carefully crafted, and the flask is comfortable to hold in your hand. The flask is also equipped with a stainless steel shot glass set, which is perfect for enjoying your favorite spirits with friends.
- Wide Application: The flask is perfect for outdoor activities such as camping, hiking, climbing, and picnics. The flask is also suitable for daily use, such as office, home, and car use.
- Perfect Gift: This flask set is a perfect gift for any occasion. It is a great gift for men, women gifts. And also suitable for birthdays, anniversaries, Christmas, and other special occasions.
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#7 Top Pick
ULTECHNOVO Bottom Single Neck Laboratory Flask 1000ml Borosilicate Glass Boiling Flask for Distillation and Reflux Experiments Scientific Lab Container
Brand: ULTECHNOVO
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- Laboratory Precision: The Single-mouth round bottom flask in the Boiling Flasks category offers clear visibility with its transparent glass body, allowing easy observation of liquid changes during experiments and supporting reliable lab work results
- Practical: Crafted with thickened glass, this boiling flask withstands frequent use and cleaning better than containers, making it a dependable choice for both beginners and professional researchers
- High-Grade Glass Construction: Made from premium glass material with smooth, polished edges, the flask ensures safe handling and reduces the risk of damage, enhancing the user experience in chemistry and scientific applications
- Versatile Laboratory Use: Ideal for educational settings, chemistry experiments, and , this round bottom laboratory flask supports various distillation and liquid heating scenarios, adapting to diverse scientific tasks
- Encouraging Science Learning: Designed for students and researchers alike, this flask helps foster curiosity and hands-on experience in laboratory environments, fitting well projects, science classes, and research activities
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#8 Top Pick
POPETPOP 1000ml Beaker Lab Flask with Lid - Glass Laboratory Apparatus, Flat Bottom Conical Flask for Student Use - Triangle Shot Glass
Brand: POPETPOP
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- Practical and Safe Design: Our Glass Triangular Flask features a secure cork stopper, enhancing safety and practicality during heating processes. This thoughtful design prevents spills and ensures secure containment of liquids, making it an essential tool for chemistry lab or an educational setting
- Accurate Measurements for Precision: Equipped with clearly marked scales, this triangular flask allows for precise measurement of liquids, ensuring accuracy in your experiments. The standard capacity is easy to read, allowing for quick identification of volume levels immediately. Whether conducting titrations or preparing methods, this feature enhances your workflow and ensures reliable results, making it a must-have for chemists and students
- Sturdy Craftsmanship: Made from well-made borosilicate, our triangular flask is designed to withstand high temperatures. It is without from bubbles and burrs, providing a smooth and rounded finish that enhances durability. This excellent product ensures that your equipment remains reliable for all your experimental needs, whether in a professional lab or an academic environment
- Ideal for Educational Use: Designed with students, this flask is great for school laboratories and chemistry classes. Its user-friendly features make it easier for students to conduct experiments, fostering a hands-on learning experience. With its robust construction, it can handle the rigors of daily use, making it an irreplaceable resource for educators looking to inspire future scientists
- Great Choice: Made from well-made borosilicate glass, our triangular flask is not only sturdy and odorless but also a sustainable choice for your laboratory. Ideal for providing tranquility when working with volatile substances
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#9 Top Pick
iplusmile 100Ml Laboratory Flask with Stopper Chemistry Glassware Conical Erlenmeyer Flask for School Experiments Science Use
Brand: iplusmile
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- Professional Laboratory Design: This stopped conical bottle features a classic Erlenmeyer flask shape with a secure stopper to effectively prevent liquid spatter during experiments, making it suitable for chemistry glassware use in educational and scientific settings
- Wide Mouth Convenience: the flask’s wide mouth design facilitates easy refilling and thorough cleaning, while the precise scale markings enable accurate measurement of liquids, supporting various laboratory flask and chemistry glassware applications
- Compact and Portable Size: Measuring approximately 3.94 x 2.36 x 2.36 inches, this flask is compact enough to fit comfortably on lab benches or in storage, ideal for school laboratory experiments and easy transportation
- Safe and Durable Material: Made from premium glass suitable for laboratory flask use, this chemistry glassware withstands typical lab conditions, providing a reliable vessel for heating, mixing, and storing liquids during experiments
- Suitable for Educational and Scientific Use: Designed for students and researchers, this stopped conical bottle ensures a secure seal to protect experimental liquids and allows clear observation, making it practical for chemistry laboratory work
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#10 Top Pick
iplusmile Glass Erlenmeyer Flask with Stoppers, 1000ml Wide Mouth Erlenmeyer Flask with Graduated for Lab, Experiment, Chemistry, Science Studies (Single)
Brand: iplusmile
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- Material: This glass flask is made of high borate glass material, which is durable and has no peculiar smell.
- Standard capacity: There are clear and accurate scales on the top of the flask, which are easier to identify and easy to measure accurately.
- Salient Features: This flask is reusable, not easy to break, easy clean, and resistant to high temperatures.
- Cork Stopper Included: Each Erlenmeyer flask comes with a cork stopper that perfectly seals the liquid in the flask for experiments.The Erlenmeyer flask is a nice lab chemistry beaker set.
- Scope of application: suitable for use in laboratories, school chemistry courses, chemical experiments, liquid measurement,
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