TEST TUBES, RIM, GLASS, 25 X 250MM, ,Pack of 24

Details

Here is the corrected text: This set of 24 test tubes is made from high-quality Borosilicate 3.3 glass and has an 85ml capacity. The tubes feature uniform 1.2mm walls and beaded rims. Each tube measures 9.8 inches (250mm) tall, with an outer diameter of 1 inch (25mm). The inner diameter measures 23.8mm. These tubes accommodate stoppers with a bottom diameter of 20-22mm and a top diameter of 27-29mm. (Compatible stoppers can be found by searching ASIN: B013TMXNPY.) Autoclavable, these tubes offer superior chemical durability and can withstand low temperature gradients, direct flames, 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 with only the highest-grade raw materials and according to international quality standards to ensure they can withstand use in even the toughest laboratory environments.