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SKU: WO-TESTUBE

Glass Test Tubes, all sizes

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Ages 8+

Get glass test tubes in three sizes: small, large, and extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six. Bulk pricing discounts apply for them all! Read More

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DESCRIPTION

Choose from sizes small to extra-large in these high-quality borosilicate test tubes.

The small glass test tubes are 100 mm tall x 13 mm with 11 mm inside diameter. Volume is approximately 9 ml. Use No. 00 stopper. (Pack of six.)

The large glass test tubes are 150 mm tall x 16 mm with 14 mm inside diameter. Approximate volume is 22 ml. Use with No. 0 stopper. This size is the best for general use. (Pack of two.)

The extra-large glass test tubes are 150 mm tall x 20 mm with 17 mm inside diameter and approximately 28 ml volume. Use a No. 1 stopper. (Pack of two.)

They're all made of borosilicate glass that's similar to Pyrex or Kimax. These test tubes can be heated directly in an open flame.

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