Everything You Need to Know About the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125
The Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 are essential laboratory equipment, known for their durability and resistance to chemical corrosion. Manufactured by Kimble Chase, these flasks are specifically designed for heating, boiling, and distilling liquids in controlled scientific environments. Their flat-bottom design allows for stable placement on surfaces or heating mantles, crucial for consistent and safe operation.
My work in developing specialized coatings for extreme-environment gear sometimes involves lengthy boiling and refluxing processes. I needed reliable flasks that could withstand continuous heating and exposure to various solvents without degrading or leaching contaminants. These KIMAX flasks seemed like the ideal solution due to their reputation for chemical resistance and thermal stability.
Unboxing the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125, I was immediately impressed by the clarity and uniformity of the glass. The flask felt robust, but not excessively heavy, striking a good balance between durability and ease of handling. The ground glass joint was smooth and precise, promising a tight seal with compatible stoppers.
I considered similar flasks from Pyrex and Corning, but ultimately chose Kimble/Kontes because of their long-standing reputation within the scientific community and competitive pricing. Many older labs and experienced chemists recommended Kimble Chase for general purpose glassware. Their name just kept coming up in conversations about reliable lab equipment.
My first impression was one of confident expectation. I was ready to use it. The quality was exactly what I was expecting from Kimble Chase. I wasn’t disappointed.
Real-World Testing: Putting Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 to the Test
First Use Experience
I first tested the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 in my lab while developing a new hydrophobic coating formula. The process involved refluxing a solvent mixture at 80°C for several hours. The flask was placed on a heating mantle within a fume hood to control fumes and maintain a safe working environment.
The flask performed flawlessly under consistent heating conditions. There were no signs of cracking or deformation. The chemical resistance was also excellent as the flask did not react with the solvents.
Using the flask was intuitive. The flat bottom provided exceptional stability on the heating mantle. The ground glass joint sealed perfectly with my condenser, preventing any vapor leakage.
There were no surprises during the initial use. The flask lived up to its reputation for quality and reliability. The only slight issue was ensuring proper grounding to prevent static buildup, a common precaution when working with volatile solvents.
Extended Use & Reliability
After several weeks of nearly daily use, the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 is holding up exceptionally well. It still looks as good as new after multiple uses. There have been no signs of clouding or degradation in the glass, even after exposure to aggressive solvents like toluene and acetone.
The flask has proven to be incredibly durable. Even with repeated heating and cooling cycles, there are no stress fractures or chips visible. Care is still needed when handling glassware.
Cleaning and maintaining the flask is straightforward. A simple wash with laboratory detergent and thorough rinsing is usually sufficient to remove any residue. It has been used many times.
Compared to previous experiences with cheaper glassware, the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 significantly outperforms in terms of durability and chemical resistance. I have had to replace no-name glassware much more often than expected in the past. The Kimble flask gives me greater confidence in the reliability of my experiments.
Breaking Down the Features of Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125
Specifications
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Capacity: 125 mL. The 125 mL capacity is ideal for small-scale reactions and distillations. It’s perfect for experiments where reagent quantities are limited.
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Dimensions: 65 mm O.D. x 115 mm Height. The dimensions are compact, allowing for easy handling and storage. The size is suitable for most standard heating mantles.
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Material: KIMAX Borosilicate Glass. KIMAX borosilicate glass is renowned for its exceptional thermal and chemical resistance. This feature ensures the flask can withstand high temperatures and harsh chemicals without degradation.
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Neck Type: STUBELL with STUBALLOX Stopper. The STUBELL neck and STUBALLOX stopper create a secure, leak-proof seal. This is crucial for maintaining a closed system during reflux and distillation processes. The reinforcing ribs around the ground glass joint increase durability and resistance to stress.
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Kimble Chase No.: 25055 125. This number clearly identifies the specific flask model. It ensures easy reordering and consistency in laboratory setups.
These specifications are important because they directly influence the flask’s performance and suitability for a wide range of laboratory applications. The KIMAX glass ensures chemical inertness. This minimizes contamination risks while the STUBELL neck and stopper design guarantee a secure and reliable seal.
Performance & Functionality
The Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 performs its job admirably. It consistently and reliably withstands heating, boiling, and chemical exposure during lab procedures. It’s exactly what a flask should do.
The flask’s strengths include its robust construction, excellent chemical resistance, and secure sealing. The only potential weakness is its relatively small capacity. But this is by design, as it is meant for smaller tests.
The flask meets and exceeds my expectations. I have other Kimble flasks and they perform as they should. This is also living up to the brand’s reputation.
Design & Ergonomics
The flask’s design is simple yet functional. The flat bottom provides excellent stability. This reduces the risk of spills and accidents.
The KIMAX glass provides excellent clarity, allowing for easy observation of the contents. The overall design is user-friendly. The ergonomic design makes it comfortable to handle, even when hot.
Durability & Maintenance
With proper care, the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 should last for years. The KIMAX borosilicate glass is highly resistant to thermal shock and chemical degradation. This contributes to a long service life.
The flask is easy to clean and maintain. Regular washing with lab-grade detergent is typically sufficient to remove any contaminants. Overall, it’s a low-maintenance item.
Accessories and Customization Options
The flask is primarily designed for use with standard laboratory accessories such as condensers, stoppers, and heating mantles. The STUBELL neck is compatible with various ground glass stoppers and adapters. No specific customization is needed, because it does the job as is.
The flask’s compatibility with common lab equipment ensures it can be seamlessly integrated into existing experimental setups. The STUBELL joint is a standard size and fits other manufacturers’ equipment. The wide availability of compatible accessories enhances its versatility.
Pros and Cons of Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125
Pros
- Exceptional Chemical Resistance: KIMAX borosilicate glass withstands a wide range of solvents and reagents. This is a critical point for long-term reliability.
- Durable Construction: Designed to endure repeated heating and cooling cycles without cracking. This minimizes the need for frequent replacements.
- Stable Flat-Bottom Design: Provides excellent stability on heating mantles and other surfaces. It prevents accidental spills.
- Secure STUBELL Joint: Ensures a leak-proof seal with compatible stoppers. This guarantees a controlled experimental environment.
- Easy to Clean and Maintain: Simplifies the cleaning process. Reduces downtime between experiments.
Cons
- Smaller Capacity: The 125 mL volume may be limiting for large-scale reactions. This should be expected, as it is meant for smaller tests.
- Glass Material: While durable, glass is still susceptible to breakage if dropped or mishandled. Special care is always needed when handling glass.
Who Should Buy Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125?
The Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 is perfect for chemists, biologists, and other scientists who require reliable and chemically resistant glassware for small-scale experiments. Also, research laboratories will find it useful, as well as educational institutions. Anyone requiring a flask for heating or boiling liquids.
Those conducting large-scale reactions or working with extremely sensitive materials might need larger volume flasks or specialized materials. If large capacities are the use case, there are better flasks available from Kimble.
A compatible heating mantle and condenser are must-have accessories to maximize the flask’s functionality. Also, a set of appropriate ground glass stoppers.
Conclusion on Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125
The Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125 is a high-quality piece of laboratory glassware that delivers exceptional performance and reliability. Its durable construction, chemical resistance, and stable design make it an invaluable asset for any laboratory setting.
The price of $87.99 for a pack of 12 (or 125 if purchased in bulk) represents a good value, especially considering the flask’s longevity and performance. This is especially true if you break flasks often. The lower quality ones do not last.
I would absolutely recommend this flask to anyone in need of a reliable and durable boiling flask for their laboratory experiments. It’s a dependable and cost-effective investment. Upgrade your lab equipment now with the Kimble/Kontes KIMAX Flat-Bottom Boiling Flasks, Kimble Chase 25055 125!