Thick walled 18x150mm borosilicate glass test tubes are ideal for chemistry lab experiments. Buy just a few or save 55% by the case. Holds 30mL (1.1 fl. oz) and are rimmed to give a good grip or for stoppering.
These borosilicate glass laboratory test tubes, sometimes called chemical or chemistry tubes for short, are designed to withstand heating with a Bunsen burner and are useful outside the lab as well. They hold approximately 25 to 30mL.
Looking for ideas on how to use test tubes? Check out these blogs: What is a Test Tube Used For? Not Just Labs! or Corked Glass Test Tubes for Chemistry Kitchenware. Or, see some of the other applications as listed below: Shot Glasses, Root Cuttings, Seed Storage.
This size is also available with these options:
|33770-18C||Test tube rack + 40 18x150mm tubes + 40 stoppers||40|
|55907R-CS100||Glass Test Tube 18x150mm, Rounded/Rim+Corks, 100 each||100|
Product as described. Easy transaction. Received in a timely manner. We'll packed. Thanks!
The test tubes were exactly what I was looking for. I agree with Doug - they were packaged very well and no damage occurred during shipping. And they were shipped immediately and arrived in a very short time frame.
Good to hear, thanks for feedback.
Helpful staff, product was well packaged and everything arrived unbroken. Quick shipping too!
Test tubes were very well packaged and arrived in perfect condition. I appreciate that they did not have any markings since they are to be used as vases.
Good to hear they got there ok & you're happy with their having no markings. We realized years ago that the esthetics demanded they be completely blank.
Good quality and still have not broken any with thermal shock
That's good to hear & that not just labs need real borosilicate!
Exactly as I expected - shipped quickly - so reasonably priced.
Thanks for the compliment.
Test tubes were exactly as described. Appreciate the fact that they do not have any markings on them as they are used as vases.
We've ordered without markings for years for that reason. Most sources only offer this in disposable soda lime glass culture tubes that break easily.
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