Features & Benefits
- Reusable test tubes made of 3.3 borosilicate glass
- Reduces pH changes and contaminants
- Comes in size 11 cork stoppers
- Volume capacity of 70ml/2.37oz
- OD is 25mm or 0.984252 inches
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25x200mm Glass Test Tubes with Cork Stoppers, 3.3 Boro, 70ml, Karter Scientific 212X9 Pack of 5
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These reusable Karter Scientific glass round bottom test tubes are made of 3.3 borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass.
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What Stands Out
Premium Material
Crafted from high-quality 3.3 borosilicate glass, these test tubes are durable, heat-resistant, and perfect for diverse laboratory applications, ensuring long-lasting performance and reliability.
Cork Stoppers
Each test tube comes with a secure cork stopper, providing an airtight seal that effectively prevents contamination and evaporation, ideal for storing sensitive samples and chemicals safely.
Versatile Use
With a generous capacity of 70ml, these test tubes are suitable for various scientific experiments, arts, and crafts, making them a flexible choice for both professional labs and educational settings.
Product Details
- Pack of 5 25x200mm glass test tubes with cork stoppers
- Made of 3.3 borosilicate glass to reduce pH changes and contaminants
- Each tube has a volume of 70ml (2.37oz) with an outer diameter of 25mm (0.984252 inches)
- Test tubes are reusable and come with Size 11 cork stoppers
- Ideal for various scientific and laboratory applications
- Provides reliable containment for liquids and samples
| Item Weight | 2 lbs (910 grams) |
Who Should Buy?
-
Laboratory Use
Ideal for chemistry and biology labs, ensuring safe storage and handling of samples and reagents.
-
Craft Projects
Great for DIY enthusiasts and crafters looking to create unique decorative items or terrariums.
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Educational Purposes
Excellent for teachers and students conducting experiments or science demonstrations in classrooms.
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Heavy Duty Use
Not suitable for industrial applications or heavy-duty environments where durability is crucial.
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Non-Liquid Storage
Not recommended for storing solids or powder materials, as the design is tailored for liquids.
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Transporting Chemicals
Less ideal for transporting volatile chemicals due to potential seal inadequacies with cork stoppers.
Product Description
25x200mm Glass Test Tubes with Cork Stoppers, 3.3 Boro, 70ml, Karter Scientific 212X9 Pack of 5
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Are the test tubes disposable or reusable?
Answer: The test tubes are reusable. -
Question:
What is the capacity of the test tubes?
Answer: The test tubes have a volume capacity of 70ml/2.37oz. -
Question:
What is the OD of the test tubes?
Answer: The OD of the test tubes is 25mm or 0.984252 inches. -
Question:
How many centimeters is 16x150mm?
Answer: 16 x 150 mm is 1.6 x 15 cm -
Question:
What is the diameter of the cylinder? Will a 22mm rack fit?
Answer: The external diameter of this tube is 13mm. It will be a very loose fit into a 22mm rack. -
Question:
How many inches tall are these?
Answer: About 4 inches. 100mm is approximately 3.9 inches. -
Question:
Has anyone gotten replacement corks from the manufacturer?
Answer: I received the 10 tubes, but only 6 corks! -
Question:
What size is the paper that slips in?
Answer: Sorry, it didn't come with papers. Mine didn't even come with a cork. -
Question:
What are the dimensions and height of the tubes?
Answer: The dimensions are approximately W 25 X H 200mm (.98 x 7.87 inches). -
Question:
Do these have a lip on top?
Answer: No, the tubes have no rim. -
Question:
Will M&Ms fit in these?
Answer: It would depend on the type of M&M. Minis would fit well, but regular M&Ms (approx. 10mm in diameter) would fit but not go all the way down due to the tube slightly tapering.
Karter Scientific Test Tubes Editorial Review
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