Chemistry Science Lab Test Tubes 18x150mm

SKU: 55907R

Starting from $1.05USD Each

Save More When You Buy More!
EACH $1.05 $1.05 /Unit
Box of 100 $49.00 $0.49 /Unit
Case of 800 $369.00 $0.46 /Unit
Qty:
[5]   14 Reviews    | Write a Review

Thick walled 18x150mm borosilicate glass test tubes are ideal for chemistry lab experiments. Buy just a few or save 55% by the case. This test tube has a 30mL (1.1 fl. oz) capacity with a thick rim for safe, repeated stoppering.

  • heat & corrosion resistant borosilicate glass ("Pyrex™") tubes
  • food and dishwasher safe
  • thick rimmed for safe stoppering
  • plain for clear display or logo branding
  • capacity is ~30mL/1.1fl oz.

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:

In Kits Specs Reviews Related Products
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Seed Storage Test Tube Container

Seed Storage
Floral Centerpiece Cuttings

Root Cuttings Display
In Kits
P/NDescriptionQTY
33770-18CTest tube rack + 40 18x150mm tubes + 40 stoppers40
55907R-CS100Glass Test Tube 18x150mm, Rounded/Rim+Corks, 100 each100
Specifications
  • Borosilicate glass: heat resistant/autoclavable, food & dishwasher safe.
  • 18x150mm tubes have reinforced rims for stoppers
  • 18x150mm tubes have rounded bottoms & require support to stand upright
  • Completely unmarked for decorative use
  • 18mm (~1"); 150mm (~6")
  • Tube capacity/volume is ~30mL/1.1 fl. oz

  • Note: Test tube diameter and length is nominal; there can be a variance of as much as +/- 0.5mm. We cannot guarantee they will fit test tube racks or stoppers we don't supply.
Reviews (14)
2024-06-11

Very happy with the quality and price of your glass. That's why I keep reordering from indigo instruments.

— Du Bois
2022-06-07

Product as described. Easy transaction. Received in a timely manner. We'll packed. Thanks!

— Diane
2021-10-12

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.

— Lori
— Indigo:

Good to hear, thanks for feedback.

2021-08-24

Helpful staff, product was well packaged and everything arrived unbroken. Quick shipping too!

— Jon
2021-05-23

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.

— Doug
— Indigo:

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.

2021-02-07

Good quality and still have not broken any with thermal shock

— BT
— Indigo:

That's good to hear & that not just labs need real borosilicate!

2020-10-29
As described, quick service!
— Chuck
2020-08-27

Exactly as I expected - shipped quickly - so reasonably priced.

— Hillary
— Indigo:

Thanks for the compliment.

2020-07-06
They were exactly as described and shipped out right away. My son uses them for antkeeping and they were perfect for his needs.
— Teresa
2019-08-28
We appreciate the clarity and uniformity of these test tubes. Indigo Instruments fills orders immediately and precisely; who could ask for anything more?
— Cat
2019-06-10

Test tubes were exactly as described. Appreciate the fact that they do not have any markings on them as they are used as vases.

— Buster
— Indigo:

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.

2017-11-19
test tubes were exactly as described, they were shipped the next day with no breakage. Have purchased from Indigo n the past & will do so again in the future.
— Susan
2017-10-27
Test tubes were exactly as described. Appreciate the fact that they don't have any markings on them as they are used as vases.
— Flowers
2017-06-21
The durability of lab glass is essential to making quality horticulture display stands that last. Bulk pricing made the test tubes very affordable and the cost of the overall project minimal. Competitively priced and shipped promptly. I purchase all my lab glass from Indigo!
— Cathy
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