The Test Tube Revolution is truly on. Use “Borosilicate Glass” Test Tubes not only because these are an economical alternative but also because these are tried, tested and are superior cost effective alternative.
Borosilicate Glass Test Tubes are Machine made, Strong Heavy walled, suitable for High Temperature applications & Autoclaving. Both with or without Rim are available at the same price. Unless specified. Test Tubes with Rim will be supplied.
Glass Softening Point 755DegC
Annealing Point 550DegC.