TEST TUBES, RIM, GLASS 15 X 130MM, ,Pack of 48

Details

Here is the corrected text: This set of 48 test tubes is made of high-quality Borosilicate 3.3 Glass and has a capacity of 15ml. The tubes feature uniform 1.2mm walls and beaded rims, measuring 5.1" (130mm) tall with an outer diameter of 0.6" (15mm). The inner diameter measures 13.8mm, accommodating stoppers with a bottom diameter of 12-12.5mm and a top diameter of 15-17mm (compatible stoppers can be found by searching ASIN: B013TMXG8I). These autoclavable 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 adheres to 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, according to international quality standards, to ensure they can withstand use in even the toughest laboratory environments.