Rimmed Borosilicate Glass Test Tubes, Pack of 24

Details

Here is the corrected text: This set of 24 test tubes is made from high-quality Borosilicate 3.3 Glass, offering a capacity of 50ml. The tubes feature uniform 1.2mm walls and beaded rims. Each tube measures 5.9" (150mm) in height, with an outer diameter of 0.95" (24mm). The inner diameter measures 22.8mm. These tubes accommodate stoppers with a bottom diameter of 20-21mm and a top diameter of 24-26mm. (Compatible stoppers can be found by searching for ASIN: B07CZ1MFVH and B07N6NLLC8.) The tubes are autoclavable, with superior chemical durability. They exhibit a low temperature gradient, allowing them to withstand direct flame, high temperatures, and thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: strain point -515°C, annealing point 565°C, and softening point 820°C. Eisco Labs proudly manufactures its own products using state-of-the-art equipment and follows the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured using only the highest-grade raw materials and according to international quality standards, ensuring they can withstand use in even the toughest laboratory environments.