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| Pyrex Test Tubes
Our Pyrex test tubes are made from special tubing to give optimum wall thickness. They are resistant to heat and chemically stable. Beaded rims are fire-polished. Permanent white marking spot.
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| Borosilicate Test Tubes
Our clear and colorless, imported test tubes have no marking spot and are manufactured from low expansion borosilicate glass and can be used to 500 degrees C or higher. They have a beaded rim and can be autoclaved.
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| Test Tube Accessories
We carry three sizes of test tube brushes as well as a finger clamp, and different sized storage racks.
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