Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 Review

The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100: Final Thoughts from Me

The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 isn’t your everyday piece of tactical gear; it’s a specialized lab instrument designed for precise oil measurement in centrifuge applications. Manufactured by Kimble/Kontes, a renowned name in laboratory glassware, this 100ml graduated tube features a screw cap with a PTFE-faced liner, crucial for preventing contamination and ensuring accurate readings. Its primary purpose is separating and measuring the oil content in various samples.

My journey to finding this particular tube stemmed from a very specific need during a collaborative research project analyzing lubricants used in extreme-condition tactical equipment. We needed a reliable, graduated centrifuge tube to accurately quantify the oil content and degradation products after extensive testing. I was specifically searching for something that would provide airtight seals to prevent evaporative losses during the centrifugation process, a common problem with cheaper alternatives.

Upon receiving the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100, I was immediately impressed by the quality of the glass and the robust construction of the screw cap. It felt significantly more substantial than the disposable plastic tubes we had been using previously. The graduations were clear and precise, promising improved accuracy.

I initially considered the Corning Pyrex brand centrifuge tubes, known for their durability, and some off-brand options from Amazon that were significantly cheaper. Ultimately, I chose the Kimble/Kontes tube because of its superior reputation for accuracy and the added security of the PTFE-lined screw cap, which minimized the risk of sample contamination. The clear volume gradations made it much easier than the vague markings on cheaper tubes.

My first impression was one of relief and anticipation. I was excited to finally have a tool that would provide consistent and reliable data, eliminating a major source of error in our research. The investment seemed worthwhile, given the potential for more accurate and dependable results.


Real-World Testing: Putting Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 to the Test

First Use Experience

I first tested the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 in our laboratory setting, specifically while analyzing oil samples from military-grade firearm lubricants after simulated extreme temperature and pressure cycling. The tube was filled with a mixture of oil and a solvent, then placed in a centrifuge and spun at high speed to separate the oil. The clear graduations allowed for easy and precise measurement of the separated oil layer.

The tube performed admirably under these conditions. The PTFE-lined screw cap provided a secure seal, preventing any leakage or evaporation during the high-speed centrifugation, even when temperatures fluctuated. It was easy to handle, and the graduations were highly visible, even under the lab’s bright fluorescent lighting.

The only slight issue was the initial learning curve of determining the optimal centrifugation speed and duration for each specific lubricant we tested. However, this was a parameter inherent to the testing methodology and not a direct reflection on the tube’s performance. I was pleased at how the tube withstood the forces in the centrifuge, and impressed with the clear and accurate readings.

Extended Use & Reliability

After several weeks of consistent use, the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 has proven to be remarkably durable. There are no signs of wear and tear, even after repeated cleaning and exposure to various solvents. The graduations remain clear and legible, and the screw cap continues to provide a reliable seal.

Cleaning is relatively straightforward, requiring only a mild detergent and thorough rinsing. The glass is resistant to staining and etching, even after prolonged exposure to heavily degraded oil samples. Its durability is a welcome attribute in the demanding environment of my lab.

Compared to our previous experience with cheaper, disposable plastic tubes, the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 is a significant upgrade. It offers far greater accuracy, reliability, and durability, making it a worthwhile investment for our research. I am exceptionally satisfied with the tube’s high performance.

Breaking Down the Features of Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100

Specifications

  • Capacity: 100 mL. This is a standard size for many oil separation analyses, providing ample volume for accurate measurement.

  • Graduation Range: 0-1 mL in 0.05 mL increments; 1-3 mL in 0.1 mL increments; 3-6 mL in 0.2 mL increments; 6-10 mL in 0.5 mL increments; 10-100 mL in 1 mL increments. The varying increments allow for high precision at lower oil volumes and efficient measurement at higher volumes.

  • Tolerance: 0-0.1 mL: 0.02 mL; 0.1-0.30 mL: 0.03 mL; 0.3-1 mL: 0.05 mL; 1-3 mL: 0.10 mL; 3-5 mL: 0.20 mL; 5-10 mL: 0.50 mL; Above 10 mL: 1.00 mL. Tolerance refers to the acceptable range of error within the measurements, and with these standards, it ensures accuracy across the volume range.

  • Material: High-quality borosilicate glass. This provides excellent chemical resistance and durability.

  • Screw Cap: Included, unattached, with PTFE-faced liner. The PTFE liner ensures a chemically inert and airtight seal.

  • Outer Diameter (O.D.): Not specified. This information would be useful for confirming compatibility with specific centrifuge rotors.

These specifications are critical for ensuring accurate and reliable oil measurements, which are essential for our research. The high-quality glass, precise graduations, and secure screw cap are all vital for minimizing errors and ensuring the integrity of our data. The Kimble/Kontes tube is designed for high-performance laboratory usage.

Performance & Functionality

The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 excels at its primary function: separating and accurately measuring oil content in centrifuged samples. The graduations are easy to read, even when the oil is heavily contaminated with particulate matter. The secure screw cap prevents leakage and evaporation, which are common problems with less expensive alternatives.

The major strength lies in its accuracy and reliability. It consistently provides reproducible results, which is crucial for our research. However, a weakness is the absence of any external coating for added shatter resistance.

The tube has exceeded my expectations. It consistently delivers accurate and reliable results, significantly improving the quality of our data. I recommend it for all lab oil testing.

Design & Ergonomics

The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 is well-designed for laboratory use. The high-quality borosilicate glass provides excellent chemical resistance, and the screw cap is easy to grip and tighten. The graduations are clear and easy to read.

The tube is comfortable to handle, although its relatively thick walls make it somewhat heavier than disposable plastic tubes. There is no significant learning curve associated with its use. It is extremely ergonomic and easy to use.

Durability & Maintenance

Given its robust construction and high-quality materials, the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 should last for many years with proper care. The glass is resistant to most chemicals and solvents, and the screw cap is designed to withstand repeated use.

Maintenance is relatively simple, requiring only occasional cleaning with a mild detergent and thorough rinsing. The tube is easy to clean and store.

Accessories and Customization Options

The product comes with the PTFE-lined screw cap, which is essential for its intended use. No other accessories are included, and there are no specific customization options available.

However, the tube is compatible with a wide range of centrifuges designed for 100 mL tubes, so users can easily integrate it into their existing laboratory setup. Replacement screw caps and liners can be purchased separately if needed.

Pros and Cons of Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100

Pros

  • Exceptional Accuracy: Precise graduations and tight tolerances ensure reliable oil measurement.

Cons

  • High Price: The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 is significantly more expensive than disposable plastic alternatives.


  • Superior Chemical Resistance: Made from high-quality borosilicate glass, resistant to most solvents and chemicals.

  • Secure Screw Cap: PTFE-lined screw cap prevents leakage and evaporation. This provides airtight protection of samples, especially volatile ones.

  • Durable Construction: Built to withstand repeated use and cleaning. It can also endure high-speed centrifugation forces.

  • Clear and Easy-to-Read Graduations: Facilitates accurate measurement, even with contaminated samples.

  • Lack of Shatter Resistance: The tube is made of glass and can break if dropped or mishandled. Extra care is needed during handling and storage.

Who Should Buy Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100?

This product is perfect for laboratory technicians, researchers, and engineers who require accurate and reliable oil measurements. This is exceptionally critical where sample integrity and data accuracy are paramount. It’s best suited for applications in lubricant analysis, petroleum testing, and quality control.

Individuals seeking a budget-friendly, disposable option should avoid this product. Those working in environments where breakage is a significant risk might consider using a plastic tube of lower accuracy. Users should ensure their centrifuge is compatible with 100ml glass tubes and that they have access to appropriate cleaning supplies and storage containers.

Conclusion on Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100

The Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 is a high-quality, reliable laboratory instrument that delivers exceptional accuracy and durability. Its superior construction and precise graduations make it a worthwhile investment for anyone who requires precise oil measurements.

While the price is higher than disposable alternatives, the improved accuracy and long-term durability justify the cost. If you demand reliable data and need a robust tool for oil separation and measurement, this tube is an excellent choice.

I would highly recommend the Kimble/Kontes Tube Cent Oil W/SCREW CAP100ML 45246-100 to any professional requiring precise oil measurement in a laboratory setting. Invest in the right tool, and you’ll see the value in the accuracy and repeatability it offers. Get yours today and start experiencing the difference!

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