Test tube rubber stoppers are essential components in the world of science and technology. These simple yet effective devices are made of rubber and cork and serve a variety of purposes in the laboratory. From preventing contamination to regulating airflow, and even serving as a support for glassware, these stoppers provide an invaluable service for scientists and technicians. In this introduction, we will explore the complexity of test tube rubber stoppers, from their structure to their varying applications. We will also take a look at the perplexity and burstiness of these devices in order to better understand their function within the laboratory setting.
Why Test Tube Rubber Stopper Is Necessary?
Test tube rubber stoppers are necessary because they provide a secure and airtight seal for test tubes. This airtight seal helps to prevent spills and contamination from entering the test tube, as well as preventing evaporation and outside substances from entering the test tube. This is essential for accurate laboratory experiments, where any type of contamination or evaporation can alter the results.
Comperision Chart for test tube rubber stopper
20x150mm Glass Test Tube Set with Rubber Stoppers and Plastic Rack, 6 Piece Set, Karter Scientific 150A3
20x150mm Glass Test Tube Set with Rubber Stoppers and Wood Rack, 6 Piece Set, Karter Scientific 150A4
16X150mm Glass Test Tubes with Rubber Stoppers, Karter Scientific 201B5 (Pack of 10)
Glass Test Tubes with Rubber Stoppers 150mm x 20mm Pack of 10 and 1pcs Brush …
MECCANIXITY Rubber Tapered Plug 16mm to 20mm with Hole Test Tubes Bungs Stopper Black for Lab Home 10 Pieces
20x150mm Glass Test Tube Set with Rubber Stoppers and Plastic Rack 6 Piece Set, Karter Scientific 150A3
The Karter Scientific 150A3 20x150mm Glass Test Tube Set with Rubber Stoppers and Plastic Rack is the perfect way to store and transport your lab supplies. This set includes 6 pieces, each featuring a 36ml glass tube, a black rubber stopper, and a 6-place inline drying rack. The glass tubes are 19.6mm in O.D. and 18.0mm in I.D., making them ideal for containing liquids or powders for testing or storage. This set is made from high-quality materials that are designed to be durable and reusable, while being easy to clean and maintain.
Why We Like This
High Quality: Made from durable materials that are designed to last, this test tube set will serve you well for years to come!
Easy Cleaning: The included rubber stoppers make it easy to keep the tubes free of dust and debris.
Versatile: With a 36ml volume capacity, you can use these tubes for both liquids and powders in your lab experiments or storage needs.
Compact: The included plastic rack allows you to easily store all six test tubes in one convenient location without taking up too much space in your lab or storage area.
Reusable: Designed with reuse in mind, this set is perfect for containing samples over extended periods of time without having to replace it each time you need it!
Common Questions & Answers
Q: What size are the tubes?
A: The tubes measure 19.6mm O.D., 18mm I.D., and have a 36ml volume capacity.
Q: What type of stoppers come with this set?
A: This set includes black rubber stoppers that make it easy to seal the test tubes securely when not in use.
Q: Does this come with its own storage rack?
A: Yes! The Karter Scientific 150A3 comes with its own 6-place plastic rack that makes storing all six test tubes together a breeze!
Additional Product Information
| Size | 20x150mm |
20x150mm Glass Test Tube Set with Rubber Stoppers and Wood Rack 6 Piece Set, Karter Scientific 150A4
The Karter Scientific 150A4 is the perfect set for any science enthusiast. It comes with six pieces of 20x150mm glass test tubes, rubber stoppers, and a natural wood rack, as well as drying pins. This set has everything you need to conduct experiments and test hypotheses. The test tubes feature an outer diameter of 19.6mm and an inner diameter of 18.0mm, providing plenty of room for a variety of experiments. The rubber stoppers are black in color for easy identification and the wood rack has six places to hold the test tubes securely in place during use. The wood rack also includes drying pins so you can store your test tubes safely after use. The entire set measures 10.75 x 3 x 4.25 inches, making it a great addition to any laboratory space or workspace.
Why We Like This
High-quality materials: Test tubes are made from thick glass, rubber stoppers are durable and reliable, and the natural wood rack provides secure storage during use
Versatile: Test tubes have an outer diameter of 19.6mm and an inner diameter of 18.0mm, allowing for a wide range of experiments
Compact: Entire set measures 10.75 x 3 x 4.25 inches, making it great for laboratories or workspaces
Easy-to-use: Rubber stoppers are black in color for easy identification while the wood rack has six places to hold the test tubes securely in place during use
Convenient: Set includes drying pins so you can store your test tubes safely after use
Common Questions & Answers
Q: How much volume does each test tube hold?
A: Each test tube holds 36ml of liquid or other materials.
Q: Are the rubber stoppers reusable?
A: Yes, the rubber stoppers are designed to be reusable so you can use them multiple times without fear of wear or tear.
Q: Is the wood rack adjustable?
A: No, the wood rack is not adjustable but it does have six places to hold the test tubes securely in place during use so you can easily store them when not in use.
Additional Product Information
16X150mm Glass Test Tubes with Rubber Stoppers Karter Scientific 201B5 (Pack of 10)
**:**
Are you in need of quality laboratory equipment to get the job done? Look no further than Karter Scientific’s 16X150mm Glass Test Tubes with Rubber Stoppers! These test tubes are made from 3.3 Borosilicate Glass, making them incredibly durable and reliable. Measuring 6-inches tall and 0.63 inch wide, these test tubes have a capacity of 23ml or 3/4 fluid ounce. Plus, each pack comes with 10 rubber stoppers, perfect for sealing your samples.
**Why We Like This:**
These test tubes are made from 3.3 Borosilicate Glass, making them incredibly strong and reliable
Each tube is 6-inches tall and 0.63 inches wide, with a capacity of 23ml or 3/4 fluid ounce
Includes 10 rubber stoppers for sealing your samples
Perfect for use in the lab or classroom
Karter Scientific provides exceptional quality products at an affordable price
**Common Questions & Answers:**
Q: What material are these test tubes made from?
A: These test tubes are made from 3.3 Borosilicate Glass, making them incredibly strong and reliable.
Q: How many test tubes come in one pack?
A: Each pack includes 10 test tubes with 10 rubber stoppers included as well.
Q: What is the size of each tube?
A: Each tube measures 6-inches tall and 0.63 inches wide, with a capacity of 23ml or 3/4 fluid ounce.
Additional Product Information
| Height | 0.62992 |
| Length | 5.9055 |
| Weight | 0.5 |
| Width | 0.62992 |
| Size | 16 x 150mm |
Glass Test Tubes with Rubber Stoppers 150mm x 20mm Pack of 10 and 1pcs Brush …
:
Glass Test Tubes with Rubber Stoppers are a must-have item for any lab or home science experiment. These 150mm x 20mm glass tubes are perfect for measuring and storing liquids, and the rubber stoppers provide an airtight seal so that your experiments stay safe and secure. The 10-pack also includes a brush for easier cleaning.
Why We Like This:
Durable glass construction
Airtight rubber stoppers
36 ml capacity
Transparent color
Includes one brush for easy cleaning
Common Questions & Answers:
Q: What is the size of the tubes?
A: The glass test tubes measure 150mm x 20mm.
Q: How many tubes come in the package?
A: The 10-pack comes with 10 glass test tubes and one brush.
Q: Are these tubes airtight?
A: Yes, each tube comes with a rubber stopper that provides an airtight seal.
Additional Product Information
MECCANIXITY Rubber Tapered Plug 16mm to 20mm with Hole Test Tubes Bungs Stopper Black for Lab Home 10 Pieces
The MECCANIXITY Rubber Tapered Plug is an efficient and reliable tool for laboratories, sewers, water pipes, and drains. It has a conical design that gives it a solid construction, great sealing performance, and flexibility. Its 16mm to 20mm size makes it perfect for test tubes, flasks, and other laboratory applications. The plug is made of rubber with good chemical resistance and can withstand high temperatures for a short period of time. Furthermore, there is a hole in the center of the plug that allows you to insert glass tubes.
Why We Like This
Made of rubber with good chemical resistance
Conical design gives it great sealing performance
16mm to 20mm size makes it perfect for test tubes and flasks
Hole in the center allows you to insert glass tubes
Can withstand high temperatures in a short period of time
Common Questions & Answers
Q: What size is this plug?
A: The bottom diameter is 16mm / 0.63″ while the top diameter is 20mm / 0.79″. The height is 25mm / 0.98″.
Q: Is this plug durable?
A: Yes, this plug is made with solid construction and has flexible durability which makes it not easy to crack or break.
Q: Does this product have any smell?
A: Yes, this product has a slight smell but can be reduced by placing it in a ventilated area before use.
Additional Product Information
| Size | 16mm – 20mm |
Benefits of Test Tube Rubber Stopper
1. Prevents contamination of test tubes: Test tube rubber stoppers provide airtight seals which help to prevent contamination of the contents inside the test tube.
2. Increases the shelf life: Test tube rubber stoppers help to extend the shelf life of test tubes by protecting them from moisture, dust and other external influences.
3. Easy to use: Test tube rubber stoppers are easy to use and provide a quick and secure sealing mechanism for test tubes.
4. Cost effective: Test tube rubber stoppers are relatively inexpensive compared to other sealing solutions for test tubes and can be used multiple times if handled properly.
5. Versatile: Test tube rubber stoppers come in various sizes and materials, making them suitable for different types of test tubes and applications.
Buying Guide for test tube rubber stopper
Types of Test Tube Rubber Stoppers:
Test tube rubber stoppers come in a variety of shapes and sizes, depending on the application. Common types include conical, cork, and plastic ones. Each type has its advantages and disadvantages, so it is important to select the right type for your needs.
Conical stoppers are the most commonly used type, as they provide a tight seal that prevents leakage while allowing air to escape. They are also relatively inexpensive and easy to find.
Cork stoppers are ideal for applications that require a secure seal but also allow some air exchange. They are more expensive than conical ones but provide better protection from leakage.
Plastic stoppers are great for high-temperature applications where other types may not work as well. They are generally more expensive than conical or cork stoppers but provide excellent heat resistance and durability.
Size:
When selecting a test tube rubber stopper, it is important to consider the size of the opening in your test tubes or other containers. The size of the stopper should match or slightly exceed the opening in order to ensure a secure fit and prevent leakage. It is also important to take into account any additional accessories such as thermometers or pipettes that may need to fit inside the opening along with the stopper.
Material:
Test tube rubber stoppers can be made from natural rubber or synthetic materials such as silicone or vinyl. Natural rubber is generally cheaper but has less heat resistance than synthetic materials, so it may not be suitable for certain applications where temperatures could exceed its recommended limits. Synthetic materials tend to have better heat resistance but can be more expensive than natural rubber ones. It is important to consider which material will best suit your needs before making a purchase decision.
Additional Features:
Some test tube rubber stoppers come with additional features such as color coding or special designs that allow you to easily identify different samples or experiments without having to open up each container individually. These features can be particularly useful when dealing with multiple containers at once, so it is worth considering if you anticipate needing them in your work environment.
Price:
Test tube rubber stoppers come in a wide range of prices depending on their size, material, and additional features. Generally speaking, conical ones tend to be cheaper while cork and plastic ones cost more due to their higher levels of quality and durability compared with natural rubber ones. It is important to shop around before making a purchase decision in order to ensure you get the best value for money available on the market today.
The test tube rubber stopper is a versatile and useful laboratory tool. It provides a reliable sealing of test tubes, allowing the contents inside to remain undisturbed and uncontaminated. It also allows for quick and efficient access to the contents of a test tube. Additionally, the rubber stopper provides an economical way to protect test tubes from breakage and contamination. With its various sizes and shapes, it can be used with many different types of laboratory equipment. Thus, the test tube rubber stopper is an essential item in any laboratory setting.
