Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 Review

Ready to Know the Truth About the Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125?

For over a decade, I’ve been immersed in the world of outdoor and tactical gear, evaluating everything from high-end riflescopes to the most basic survival tools. Today, I’m turning my attention to something seemingly simple, but critically important in many fields: the Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125. This unassuming piece of laboratory equipment promises reliability and value, but does it live up to the claims?

My journey with flasks began years ago, during water quality testing on remote rivers. I needed a small, durable container to safely hold samples for later analysis. The Kimble/Kontes name has always been synonymous with quality labware, so naturally, I was intrigued by their narrow mouth flask.

Upon unboxing, the first thing I noticed was the clarity of the glass. It felt substantial, not flimsy, suggesting it could withstand the rigors of field use. I’ve previously used cheaper, generic flasks that felt like they might shatter if you looked at them wrong. This was immediately better.

Compared to a similar sized Corning Erlenmeyer flask, the Kimble/Kontes offering felt slightly more robust. I also considered a Pyrex flask, but the Kimble/Kontes price point made it a more appealing option for my specific needs. My initial impression was cautiously optimistic. I was eager to put it through its paces and see if it lived up to the Kimble/Kontes reputation.

Real-World Testing: Putting Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 to the Test

First Use Experience

My first test of the Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 took place during a recent soil sampling project. I needed a reliable vessel to collect and store soil samples. I exposed the flask to a range of field conditions, including direct sunlight, damp soil, and fluctuating temperatures.

The flask performed admirably. Its narrow mouth made it easy to pour samples without spillage, a common problem with wider-mouthed containers. I immediately appreciated that detail. I encountered no issues during first use and felt confident using it in more demanding situations.

Extended Use & Reliability

After several weeks of consistent use, the Kimble/Kontes Flask has proven its durability. It has survived being jostled in backpacks, accidental bumps against rocks, and multiple cleaning cycles. I haven’t noticed any chips or cracks in the glass.

Maintenance is incredibly straightforward. The smooth glass surface is easy to clean with soap and water. It easily washes clean. Compared to some plastic containers I’ve used, this flask doesn’t retain odors or stains. It’s a significant improvement in terms of cleanliness and hygiene.

Breaking Down the Features of Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125

Specifications

The Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 boasts the following specifications:

• Capacity: 125mL, ideal for small sample collections or precise measurements.
• Material: High-quality borosilicate glass, known for its resistance to thermal shock and chemical corrosion. This is crucial for maintaining sample integrity.
• Neck: Narrow mouth with a CS12 finish, accommodating a #5 rubber stopper (not included).
• Graduations: Graduated from 50mL to 125mL, with subdivisions every 25mL. The graduations allow for approximate volume measurements.
• Dimensions: Approximately 66mm diameter x 108mm height, a compact size for easy handling and storage.
• Color: Bright Blue, Makes it easy to identify the flask

These specifications highlight the flask’s intended use in laboratory and field settings. The borosilicate glass construction ensures the integrity of the contents, while the narrow mouth minimizes the risk of spills and contamination. The graduations, though not highly precise, offer a useful visual reference for approximate volumes.

Performance & Functionality

The Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 excels in its primary function: containing and preserving small liquid or solid samples. The narrow mouth is particularly useful when dealing with volatile substances, minimizing evaporation. Its chemical resistance makes it suitable for a wide range of applications.

One potential weakness is the lack of a tight-fitting closure included. The CS12 finish requires a separate purchase of a stopper, which adds to the overall cost. However, this allows users to choose a stopper that best suits their needs (e.g., a rubber stopper for a temporary seal or a PTFE stopper for long-term storage). Overall, the flask meets expectations for basic containment and preservation tasks.

Design & Ergonomics

The flask’s simple design is both functional and aesthetically pleasing. The borosilicate glass offers excellent clarity, allowing for easy visual inspection of the contents. The flask’s relatively light weight makes it comfortable to handle, even when filled.

There is a slight learning curve involved in using the flask with a stopper. Ensuring a proper seal requires some practice. The ergonomics are satisfactory for a basic laboratory flask.

Durability & Maintenance

The borosilicate glass construction suggests a long lifespan, provided the flask is handled with care. Borosilicate glass is well known for its durability. Accidental drops or impacts could lead to breakage.

Maintenance is simple. The smooth glass surface is easy to clean and sterilize. The flask is also autoclavable, making it suitable for applications requiring sterile conditions.

Accessories and Customization Options

The Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 is primarily designed as a standalone container. The main accessory to consider is a suitable stopper for the CS12 neck. These stoppers can be made of rubber, silicone, or PTFE, depending on the intended application.

There are no specific customization options for the flask itself. The user can label the flask using chemical-resistant markers for identification purposes. The flask is compatible with standard laboratory racks and storage containers.

Pros and Cons of Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125

Who Should Buy Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125?

This flask is perfect for:

• Students and educators conducting basic chemistry or biology experiments.
• Researchers collecting and storing small samples in the field or laboratory.
• Home brewers experimenting with small-batch recipes.
• Anyone needing a durable and chemically resistant container for liquid or solid storage.

This product might not be suitable for:

• Applications requiring highly precise volume measurements.
• Situations where a leak-proof seal is essential without a proper stopper.
• Users needing a flask with a wide mouth for easy access to the contents.

A must-have accessory is a CS12 stopper made of a material suitable for the intended contents of the flask.

Conclusion on Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125

The Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 is a reliable and practical tool for a variety of applications. Its durable construction, narrow mouth design, and ease of cleaning make it a worthwhile investment.

At $99.99, the price is reasonable considering the quality of materials and construction. While the lack of a stopper is a minor drawback, the flask’s overall performance and durability justify the cost.

I would personally recommend this flask to anyone needing a small, reliable, and chemically resistant container for laboratory or field use. It’s a solid choice that will likely provide years of dependable service. If you need a quality flask, the Kimble/Kontes Flask Narrow Mouth 125ML CS12 26500B 125 is a sound investment.