Let’s Dive into VWR Stopper Serum 16MM PK100 20190
The VWR Stopper Serum 16MM PK100 20190 from VWR is a seemingly simple, yet potentially crucial component for various scientific and tactical applications. These lightweight, pliable polypropylene stoppers are designed for use with small opening tubes, offering features like easy needle removal and a secure occlusal seal. I’ve seen countless projects derailed by inadequate sealing solutions, so I was eager to test these out.
My search for the VWR Stopper Serum 16MM PK100 20190 stemmed from a persistent issue I encountered while preparing homemade serum vials for long-term storage. Standard rubber stoppers often proved too rigid, causing needle damage and inconsistent sealing, ultimately risking contamination and loss of valuable samples. I needed a reliable solution that provided both a secure seal and easy needle access.
Upon unboxing the VWR Stopper Serum 16MM PK100 20190, my initial impression was positive. The stoppers appeared well-made, with excellent clarity and a noticeable degree of pliability. The material felt consistent and free of any imperfections that might compromise the seal.
Compared to standard rubber stoppers and silicone alternatives, the VWR Stopper Serum 16MM PK100 20190 promised several advantages. Rubber stoppers tend to degrade over time, while silicone can sometimes leach contaminants into the serum. Polypropylene offered a potentially more inert and durable alternative. I chose these over the other options due to the focus on pliability and needle-centric design claims, which directly addressed my previous issues.
My first impression was one of cautious optimism. The design seemed promising, but real-world performance would be the true test. I was eager to see if these stoppers could live up to their claims of easy needle access and a secure, long-lasting seal.
Real-World Testing: Putting VWR Stopper Serum 16MM PK100 20190 to the Test
First Use Experience
My initial testing ground for the VWR Stopper Serum 16MM PK100 20190 was my home lab, where I routinely prepare and store small volumes of serum samples. I used these stoppers with standard 16mm glass vials and various gauge needles to assess their performance in a controlled environment.
The stoppers performed admirably under these conditions. The pliability allowed for smooth and easy needle insertion, even with smaller gauge needles. The self-sealing properties of the polypropylene ensured a tight, leak-proof closure, even after multiple punctures.
The ease of use was immediately apparent. The stoppers fit snugly into the vials, requiring minimal effort to insert and remove. There was no need for excessive force, which often resulted in spillage or damage with traditional stoppers.
A minor issue arose during the initial testing. Occasionally, the stoppers would create a slight vacuum seal inside the vial, making it slightly difficult to remove the needle after injection. This was easily resolved by slightly twisting the needle during removal, and it didn’t affect the overall performance.
Extended Use & Reliability
After several weeks of use, the VWR Stopper Serum 16MM PK100 20190 stoppers have held up remarkably well. There’s been no sign of degradation, cracking, or loss of pliability, even after repeated punctures and exposure to varying temperatures.
The durability of the polypropylene material is impressive. Despite numerous needle insertions and removals, the stoppers maintained their integrity and sealing capabilities.
Maintenance and care have been minimal. A simple wipe with isopropyl alcohol is sufficient to clean the stoppers and prevent any potential contamination.
Compared to my previous experiences with rubber stoppers, the VWR Stopper Serum 16MM PK100 20190 significantly outperforms them in terms of ease of use, sealing reliability, and long-term durability. They eliminate the common issues of needle damage and sample leakage, providing a more secure and efficient storage solution.
Breaking Down the Features of VWR Stopper Serum 16MM PK100 20190
Specifications
The VWR Stopper Serum 16MM PK100 20190 boasts several key specifications. The stoppers are constructed from polypropylene, a chemically resistant and durable plastic. They are designed for use with 16mm diameter vials.
Each pack contains 100 individual stoppers, providing ample supply for most applications. The pliable nature of the polypropylene allows for easy needle penetration and a tight, self-sealing closure. The design minimizes the risk of needle damage and sample leakage.
These specifications are crucial for ensuring the proper functionality and reliability of the stoppers. The polypropylene material guarantees compatibility with a wide range of serums and solutions, while the precise dimensions ensure a secure fit with standard 16mm vials. The pliability is paramount for easy needle access and maintaining a leak-proof seal.
Performance & Functionality
The VWR Stopper Serum 16MM PK100 20190 performs its job exceptionally well. The stoppers provide a reliable and leak-proof seal, preventing contamination and preserving the integrity of serum samples. Their easy needle penetration and self-sealing properties streamline the injection and extraction process.
The main strengths of these stoppers lie in their pliability, durability, and ease of use. A minor area for improvement could be addressing the occasional vacuum seal issue. Overall, the performance significantly exceeds expectations.
Design & Ergonomics
The VWR Stopper Serum 16MM PK100 20190 features a simple yet effective design. The polypropylene material is lightweight and comfortable to handle. The stoppers fit snugly into 16mm vials, providing a secure and leak-proof closure.
The stoppers are user-friendly, requiring no special skills or tools for installation or removal. There is virtually no learning curve, making them suitable for both experienced and novice users.
Durability & Maintenance
The VWR Stopper Serum 16MM PK100 20190 is expected to last for an extended period, even with frequent use. The polypropylene material is resistant to degradation and cracking.
Maintenance is simple and straightforward. A quick wipe with a suitable disinfectant is all that’s needed to keep the stoppers clean and prevent contamination.
Accessories and Customization Options
The VWR Stopper Serum 16MM PK100 20190 stoppers themselves do not require any specific accessories. They are designed to be used with standard 16mm vials and needles. However, the user can choose various needle gauges and vial types depending on the specific application.
The stoppers are compatible with a wide range of commercially available vials and needles. There are no specific customization options available for the stoppers themselves.
Pros and Cons of VWR Stopper Serum 16MM PK100 20190
Pros
- Easy Needle Penetration: The pliability of the polypropylene makes needle insertion effortless.
- Secure Seal: Prevents leakage and contamination of valuable serum samples.
- Durable Material: Polypropylene construction ensures long-lasting performance and resistance to degradation.
- User-Friendly: Simple design requires no special tools or skills for installation and removal.
- Chemically Resistant: Compatible with a wide range of serums and solutions.
Cons
- Occasional Vacuum Seal: May require a slight twist of the needle for easy removal.
- Price: At $259.99 for a pack of 100, these are a significantly more expensive option than standard rubber stoppers.
Who Should Buy VWR Stopper Serum 16MM PK100 20190?
The VWR Stopper Serum 16MM PK100 20190 is perfect for laboratory technicians, medical professionals, and researchers who require a reliable and leak-proof sealing solution for serum vials. It is also ideal for anyone who frequently prepares and stores small volumes of liquids or solutions and prioritizes ease of use and sample integrity.
Those on a very tight budget or who only occasionally need to seal vials may find cheaper alternatives sufficient. If standard rubber stoppers meet your needs, then these might be overkill.
A must-have accessory would be a good set of varying gauge needles. This will maximize the versatility of the stoppers.
Conclusion on VWR Stopper Serum 16MM PK100 20190
The VWR Stopper Serum 16MM PK100 20190 offers a significant upgrade over traditional rubber stoppers. It provides a superior sealing solution for serum vials and other small volume containers. The VWR Stopper Serum 16MM PK100 20190 is a top-tier solution that delivers on its promises of ease of use, durability, and performance.
The price is certainly a factor, but the value proposition is justified for those who require a reliable and long-lasting sealing solution. I personally would recommend it to anyone who values sample integrity and efficient lab practices.
If you’re looking for a high-quality, reliable sealing solution for your serum vials, look no further than the VWR Stopper Serum 16MM PK100 20190. Upgrade your lab supplies today!