Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 Review

Let’s Dive into Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100, manufactured by Kimble/Kontes, are designed for situations where rapid and efficient liquid transfer and filtration are paramount. These aren’t your everyday kitchen funnels; they are laboratory-grade tools built for durability and performance. The unique 58° angle is what immediately grabbed my attention, promising faster filtration compared to standard 60° funnels, a critical feature when dealing with time-sensitive experiments or processes.

My need for precise and rapid liquid handling in the field stems from my work in mobile water testing and analysis during disaster relief efforts. We often need to filter samples quickly, and standard funnels simply weren’t cutting it; they were slow, prone to clogging, and not built to withstand the rigors of field use. I was searching for a robust, chemically resistant funnel that could significantly improve our sample processing time.

Upon unboxing the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100, I was immediately impressed by the solid feel and clarity of the glass. The molded rim felt substantial, and the glass itself appeared thick and uniform, suggesting a high level of durability. The fire-polished stem was smooth and free of imperfections, indicating careful craftsmanship.

I considered several alternatives, including plastic funnels from Nalgene and standard 60° glass funnels from Pyrex. The Kimble/Kontes funnel, however, stood out due to its claimed faster filtration rate (due to the 58° angle) and its adherence to ASTM E1095 standards, which gave me confidence in its quality and performance. The promise of higher filtration speeds and a superior build quality swayed my decision.

My first impression was one of cautious optimism mixed with excitement. I was eager to put the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 to the test and see if its unique design and robust construction would live up to the hype. The promise of faster filtration was particularly appealing, potentially saving precious time in critical situations.

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Real-World Testing: Putting Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 to the Test

First Use Experience

My initial test of the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 took place in a makeshift field laboratory during a simulated flood disaster scenario. The conditions were far from ideal: high humidity, fluctuating temperatures, and airborne dust and silt. We were tasked with processing water samples contaminated with sediment and organic matter, requiring rapid and efficient filtration.

The funnel performed admirably even in these challenging conditions. I immediately noticed the faster flow rate compared to the standard 60° funnels we had been using previously. The glass construction proved to be highly resistant to staining and chemical attack, even after prolonged exposure to turbid water.

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 was incredibly easy to use. The short stem design allowed for comfortable placement within receiving vessels, and the wide mouth accommodated large volumes of liquid. No adjustments were necessary, and I was able to begin using it immediately.

One surprise was the funnel’s exceptional stability. Even when filled to near capacity, it remained firmly in place, reducing the risk of spills or accidents. This was a significant improvement over some of the lighter-weight plastic funnels we had used in the past, which were prone to tipping.

Extended Use & Reliability

After several weeks of rigorous field use, the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 has held up remarkably well. There are no signs of cracking or chipping, even after repeated exposure to harsh chemicals and rough handling. The glass remains clear and free of discoloration.

Durability has been a standout feature. Despite being made of glass, the funnel has proven surprisingly resilient to the bumps and knocks that are inevitable in a field environment. The robust rim has provided excellent protection against edge damage.

Maintenance is simple and straightforward. The funnel can be easily cleaned with soap and water, or, for more stubborn residue, with laboratory-grade solvents. The smooth glass surface resists staining and is easily wiped clean.

Compared to my previous experiences with cheaper funnels, the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 has significantly outperformed them in terms of both speed and durability. It has become an indispensable tool in our field laboratory setup, greatly improving our efficiency and the quality of our data. The 58-degree angle truly does accelerate filtration.

Breaking Down the Features of Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100

Specifications

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 boasts a 100 mm Top Inner Diameter (TopI.D.), providing ample surface area for pouring and filtering. The 9 mm Stem Outer Diameter (StemO.D.) is designed for optimal flow without creating excessive turbulence. It accommodates filter paper with a diameter of up to 185 mm (Fits PaperDia.), making it compatible with a wide range of filtration media.

The funnel has a Cone Volume of 225 mL (ConeVolume), allowing for the processing of sizable liquid samples. The Stem Length measures 97 mm (StemLength), offering stability while minimizing the risk of contamination from the receiving vessel. The Kimble Chase Number is 28950 100.

These specifications matter because they directly influence the funnel’s performance and usability in real-world scenarios. The wide top diameter allows for rapid pouring, the optimized stem diameter ensures consistent flow, and the ample cone volume reduces the need for frequent refills. The ASTM E1095 compliance ensures the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 is a reliable, consistent lab tool.

Performance & Functionality

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 excels at its primary function: facilitating the rapid and efficient transfer and filtration of liquids. The unique 58° angle significantly enhances filtration speed, while the fire-polished stem ensures smooth, drip-free flow. Its performance exceeds expectations.

One of its key strengths is its chemical resistance. It can withstand prolonged exposure to a wide range of solvents, acids, and bases without degradation. The primary weakness is inherent to glass: it is susceptible to breakage if dropped or subjected to excessive force.

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 meets and even exceeds expectations. Its ability to maintain a consistently high flow rate, even when filtering viscous or particulate-laden liquids, is truly impressive. It’s a crucial piece of equipment.

Design & Ergonomics

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 is constructed from high-quality borosilicate glass, known for its strength, chemical resistance, and thermal stability. The molded rim provides a secure grip and protects the funnel from chipping. The funnel’s weight is substantial, contributing to its stability but also making it less portable than some plastic alternatives.

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 is exceptionally user-friendly. There is no learning curve; simply place the funnel in the receiving vessel and pour. Its simple, functional design is a testament to its purpose-built nature.

Durability & Maintenance

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 is designed to last for many years with proper care. Its high-quality borosilicate glass construction ensures resistance to chemical degradation and thermal shock. The funnel is easy to maintain and repair if handled with care.

Maintaining the Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 involves simple cleaning after each use. Soap, water, and a soft brush are generally sufficient to remove any residue. For stubborn stains, laboratory-grade solvents can be used safely.

Accessories and Customization Options

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 does not come with any specific accessories, as it is a standalone tool. However, it is compatible with a wide range of filter papers and filtration setups. It works seamlessly with standard filter paper sizes and various receiving vessels.

The Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100 can be used with various filtration apparatuses, such as vacuum filtration systems, to further enhance its performance. No customization is possible.

Pros and Cons of Kimble/Kontes KIMAX Filling Funnels, Short Stem, 58 Angle, Kimble Chase 28950 100