18x150mm Science Test Tubes

The 18x150mm glass test tube holds 25ml, is rimmed/heat resistant for lab work but unmarked for decorative uses; only $1.00 each but big savings on volume.

Stoppers not included; see compatible test tube racks & stoppers below in Related Products.

All test tubes are made of borosilicate glass ("Pyrex" TM)



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SKU: 55907R
Test tube, glass, 18x150mm (3/4x6 inch), 25ml (1oz), rim

Quantity :

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See rack/tubes/stopper combos for savings of 20% or more off buying racks, test tubes & stoppers separately.



  • Borosilicate (pyrex) glass: heat resistant/autoclavable
  • 18x150mm tubes have reinforced rims for stoppers
  • Completely unmarked for decorative use
  • 18x150mm tube is a standard lab test tube
  • 18mm (~3/4"); 150mm (~6")

Note: Test tube diameter 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.