Let’s Dive into VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only
The VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only are seemingly unremarkable pieces of lab equipment. However, as someone entrenched in the world of outdoor gear and tactical applications, I’ve learned that sometimes the most unassuming items can be crucial for success in the field. These tubes, manufactured by VWR, promise clarity, secure sealing, and resistance to extreme temperatures.
My interest in these tubes arose from a very specific need: secure storage and transport of sensitive samples during wilderness expeditions. I often find myself needing to collect soil, water, and even small biological samples in remote locations. Standard containers often fail, leaking precious contents, or shattering under pressure changes and rough handling. I needed something reliable and compact for these operations.
Upon unboxing, I was immediately struck by the crystal-clear resin. They felt robust and well-made for being such small containers. The screw caps appeared solid, and the external graduations were clearly marked.
Compared to standard snap-cap microcentrifuge tubes, the screw-cap design of the VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only instantly stood out. I’ve used cheaper tubes that cracked easily or had caps that popped open during transport; these appeared far more durable. I also considered specialized sample vials with O-ring seals, but they were often bulky and overkill for my needs. The VWR tubes seemed to strike a good balance between size, durability, and ease of use.
My initial impression was one of cautious optimism. While these tubes appear to be designed for lab settings, their robust build and secure seal sparked the idea of adapting them for more rugged outdoor applications. I was excited to see how they would perform in the field.
Real-World Testing: Putting VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only to the Test
First Use Experience
My first test of the VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only took place during a week-long backwoods survival training exercise in the Cascade Mountains. I used the tubes to collect soil samples from different elevations to analyze the varying microbial content. I was curious how they’d hold up against the elements.
The conditions were demanding: rain, fluctuating temperatures, and constant jostling inside my pack. The tubes needed to withstand everything thrown at them. Despite the rough treatment, the screw caps remained firmly in place. I experienced zero leaks, and the clear resin allowed me to easily identify each sample without needing to open them.
The tubes were surprisingly easy to use, even with gloved hands. The large external graduations were a welcome feature, allowing for precise filling without needing to constantly remove my gloves. There were no issues to report.
Extended Use & Reliability
After several months of consistent use on various expeditions, the VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only have proven remarkably resilient. I’ve used them to store everything from water samples collected during a fishing trip to plant specimens gathered during a foraging expedition. They’ve been exposed to extreme temperatures and elevations.
I’ve noticed minimal signs of wear and tear. The screw caps still provide a tight, reliable seal, and the resin remains clear and resistant to cracking. The labels I applied have remained intact, thanks to the tube’s smooth surface.
Cleaning is a breeze: a simple rinse with soap and water, followed by air drying, is all it takes. Compared to cheaper tubes I’ve used in the past, which quickly became brittle and prone to leaking, the VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only have far exceeded my expectations. Their durability and reliability have made them an invaluable part of my field kit.
Breaking Down the Features of VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only
Specifications
Volume: 2.0 mL. This capacity is ideal for collecting and storing small samples without taking up excessive space.
Tube Style: Conical-Bottom. The conical bottom allows for easy concentration of samples and facilitates complete removal of liquids.
Maximum RCF: 20,000 g. While I don’t typically centrifuge samples in the field, knowing they can withstand high forces is reassuring for handling during transport.
Material: Ultra-Clear Resin. This provides excellent visibility of the contents, aiding in quick identification and examination.
Features: Large External Graduations, Universal Screw Threads, Ethylene Propylene O-ring, Smooth Labeling Surface, Autoclavable, Freezable, RNase-, DNase-, and Endotoxin-Free, FDA CFR 21 compliant. These features ensure versatility and safety for a wide range of applications.
These specifications matter because they translate to real-world benefits. The high RCF rating indicates robust construction. The clear resin and graduations simplify sample handling. The screw cap and O-ring ensure secure containment, essential when dealing with potentially hazardous materials in the field.
Performance & Functionality
The VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only perform exceptionally well in their intended function: storing and transporting small samples. They are reliable, easy to use, and provide a secure seal.
One notable strength is their resistance to leaking, even under pressure changes and rough handling. Another key strength is the clarity of the resin, which allows for quick visual inspection of the samples. There is very little to improve upon.
The tubes met and exceeded my expectations. They proved to be far more durable and reliable than other microcentrifuge tubes I’ve used in the past. They were perfect for my use.
Design & Ergonomics
The build quality is excellent. The resin feels sturdy and resistant to cracking. The tubes are lightweight and compact.
The screw caps are easy to grip and tighten, even with gloved hands. The external graduations are clearly marked and easy to read. There is practically no learning curve.
Durability & Maintenance
These tubes are built to last. The high-quality resin is resistant to cracking and discoloration. Maintenance is simple: wash with soap and water and allow to air dry.
Accessories and Customization Options
The VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only come with no additional accessories. However, they are compatible with a wide range of commercially available labels and markers.
Their universal screw threads also allow for the use of different cap types, if desired. You should be able to find a cap that meets your needs.
Pros and Cons of VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only
Pros
- Exceptional Durability: Withstands extreme temperatures, pressure changes, and rough handling.
- Leak-Proof Seal: Screw cap design with ethylene propylene O-ring ensures secure containment.
- Ultra-Clear Resin: Provides excellent visibility of the contents.
- Easy to Use: Large external graduations and a smooth labeling surface simplify sample handling.
- Versatile: Autoclavable, freezable, and certified free of RNase, DNase, and endotoxins.
Cons
- Price: At $63.99 for 500 tubes, they are more expensive than basic snap-cap tubes.
- Non-Sterile: May require sterilization before use for certain applications.
Who Should Buy VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only?
Perfect for: Outdoor enthusiasts, researchers, survivalists, and anyone needing to collect and store small samples in demanding environments. They are also suited to users that need to keep their samples sterile.
Who should skip this product? Individuals who only need tubes for basic lab use at room temperature and do not require a leak-proof seal might find cheaper alternatives sufficient. Someone who needs pre-sterilized tubes should purchase the sterile version.
Must-have accessories or modifications? Waterproof labels are essential for field use. A small, lightweight container or pouch is recommended for protecting the tubes during transport.
Conclusion on VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only
The VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only are an exceptional product that has proven invaluable in my field work. Their durability, leak-proof seal, and ease of use make them a reliable choice for storing and transporting sensitive samples in demanding environments.
While the price is higher than basic tubes, the enhanced performance and peace of mind are well worth the investment. The cost is easily justified.
I wholeheartedly recommend these tubes to anyone seeking a robust and reliable solution for sample collection and storage. Don’t settle for less – equip yourself with the VWR SuperClear Screw Cap Microcentrifuge Tubes 3660-870-000 Nonsterile Tubes Only and experience the difference.