Box of borosilicate glass test tubes. Suitable for all manner of applications.

Test Tube Specifications:

– Made of Borosilicate Glass
– Size; 18mm id, 21mm od, 180mm high
– Suitable for: Laboratory, teaching, planting, kitchen, etc.

Listing is for a box of 100 test tubes. For smaller or custom amounts, see our other listings, or contact us.

Safety Notes:
– Tube should be preheated prior to full heat application, as sudden temperature shocks may shatter glass.
– Take care not to over fill test tube, recommended max volume is 50%
– Use a dropper to add solution to test tube
– Do not suddenly cool after heating as sudden temperature shocks may shatter glass.

Keywords: Boro, Borosilicate, Glass, Glassware, Lab, Labware, ware, Laboratory, Tool, Tools, labtool, labtools, testtube, sample, culture, 3.3