1/2x4" Small Glass Test Tubes

The 13x100mm (1/2x4") test tubes are our smallest holding only 10ml (0.5oz) but are rimmed, blank, heat resistant, ideal for small samples or display.

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

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



Related Products

Availability: Out of Stock
SKU: 55903R
Test tube, glass, 13x100mm (1/2x4 inch),10ml (0.4oz), rim

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Related Products

 QuantityProduct/DescriptionPrice (EACH) 
Cork stopper, #2, 17.5 High x12.7 Top x 9.5mm Bottom Cork stopper, #2, 17.5 High x12.7 Top x 9.5mm Bottom
Sku: 33734-2
$0.11USD or lower
Test tube rack, plastic, holds 17 13mm test tubes Test tube rack, plastic, holds 17 13mm test tubes
Sku: 33765
$7.00USD or lower

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



  • Borosilicate (pyrex) glass: heat resistant/autoclavable
  • 13x100mm tubes have reinforced rims for stoppers
  • Completely unmarked for decorative use
  • 13mm (~1/2"); 100mm (~4")

Note: Test tube diameter is nominal; there can be a variance of as much as +/- 0.5mm. We cannot guarantee they will fit any test tube racks or work with any stoppers we don't supply.