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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
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
Our Price: $1.00

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

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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
Our Price: $1.50

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

Clamp for holding test tubes.  Stoddard Type, Nickel, 5"
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.
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.
Test Tube 13 x100, Polystyrene with Cap Pack of 10
Our Price: $5.99

This 13 x 100mm polystyrene test tube has a capacity of 7ml. Tube features a round bottom and includes a hollow top plug cap made of polypropylene. Sold as a pack of 10 tubes.

Rack in product image not included.

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Test Tube Rack Plastic 12 Holes
Our Price: $6.95

A great space saver that can also keep your test tubes up during experiments. Includes drying pins.
Test Tube Rack Plastic 6 Holes
Our Price: $6.99

ABS plastic rack can hold 6 tubes and drying pins for 22mm tubes.