Test Tube, PYREX* 3mL, 10x75mm, are made from special tubing to give the optimum wall thickness. They are well annealed, resistant to heat and chemically stable. These tubes have a white marking spot. Beaded rims are fire-polished.
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 250x25mm, Height: 9.75in, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 85ml, PK24