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Home > Laboratory Supplies & Equipment > Labware > Test Tubes
Whether made of plastic or glass, test tubes are used in almost all laboratory experiments. Spectrum carries a wide variety of sizes of test tubes in bulk and select sizes that can be purchased individually. Test tubes are used to mix, heat or hold liquids or solids. Almost all test tube designs have rounded bottoms for even heating and minimal loss when pouring.
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Glass Test Tube 10 x 75mm with lip
Glass Test Tube 10 x 75mm with lip
Our Price: $0.75

Borosilicate glass test tube with lip. 10mm diameter, 75mm length. Total capacity of 3ml.

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Glass Test Tube 12 x 100mm with lip
Glass Test Tube 12 x 100mm with lip
Our Price: $1.00

Borosilicate glass test tube with lip. 12mm diameter, 100mm length. Total capacity of 8ml.

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15ml Centrifuge Tube with Blue Cap
15ml Centrifuge Tube with Blue Cap
Our Price: $1.00

Convenient for collecting and inspecting specimens, these polypropylene tubes have easy-to-read graduations, convenient screw on caps and white labels on the side to write on. Price is per tube.

Specifications:
  • White side label
  • Blue caps with white graduation markings
  • 5ml graduations indicates 7.5ml
  • Molded in seal-ring ensures a leak-proof seal to prevent contamination
  • Highest Temp. 120 celcius
  • Lowest Temp. -196 celcius
  • Micro-centrifuge safe and autoclavable
  • Non-pyrogenic


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Glass Test Tube 18mm x 150mm - With Lip
Glass Test Tube 18mm x 150mm - With Lip
Our Price: $1.25

Lipped, 18mm Diameter, 150mm Long borosilicate glass. Use Size #5 corks or #1 rubber stoppers for stoppering.
50mL Self Standing Tube White Cap
50mL Self Standing Tube White Cap
Our Price: $1.50

50mL Self Standing Tubes. Conical internal bottom for easy sample removal.
Test Tube Clamp
Test Tube Clamp
Our Price: $2.50

Clamp for holding test tubes.  Stoddard Type, Nickel, 5"
Test Tubes w/ Rim 25mm x 150mm
Test Tubes w/ Rim 25mm x 150mm
Our Price: $2.65

25mm Diameter, 150mm long test tube with rim. Made of borosilicate glass with appropriate thickness.
Test Tubes w/ Rim 25mm x 200mm
Test Tubes w/ Rim 25mm x 200mm
Our Price: $2.75

25mm Diameter, 200mm long test tube with rim. Made of borosilicate glass with appropriate thickness.
Test Tube 38 x 200mm with Lip Borosilicate Glass
Test Tube 38 x 200mm with Lip Borosilicate Glass
Our Price: $4.99

Large size test tube measuring 38mm Diameter and 200mm in length. With lip. Made of borosilicate glass. Price is per test tube. Fits a size 8 rubber stopper.


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Plastic Test Tubes 13mm x 100mm 7m capacity 1 Dozen
Plastic Test Tubes 13mm x 100mm 7m capacity 1 Dozen
Our Price: $5.99

Pack of 12 plastic (polystyrene) test tubes. 13mm Diameter, 100mm Length.