TEST TUBE, RIM, GLASS, 10 X 75MM, ,Pack of 48

Details

Here is the corrected text: This set of 48 test tubes is made from high-quality Borosilicate 3.3 Glass, offering a 3ml capacity. The tubes feature uniform 1mm walls and beaded rims, with each tube measuring 2.5 inches (75mm) tall and having an outer diameter of 0.3 inches (10mm). The inner diameter measures 9mm, accommodating stoppers with a bottom diameter of 7-8mm and a top diameter of 10.5-11mm (compatible stoppers can be found by searching ASIN: B013TMXQGU and ASIN: B07CZ3R5C8). These autoclavable tubes boast superior chemical durability and 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. At Eisco Labs, we proudly manufacture our own products using state-of-the-art equipment and adhering to the highest standards of quality control. Our team of laboratory professionals and experienced engineers carefully design each product with quality and durability in mind, using only the highest-grade raw materials and international quality standards to ensure they can withstand use in even the toughest laboratory environments.