TEST TUBE, RIM, GLASS, 12 X 75MM, ,Pack of 48

Details

Set of 48 test tubes made from high-quality Borosilicate 3.3 glass, each with a 5ml capacity. The tubes feature uniform 1mm walls and beaded rims. Each tube measures 2.5" (75mm) in height, with an outer diameter of 0.5" (12mm) and an inner diameter of 11mm. They accommodate stoppers with a bottom diameter of 9-10mm and a top diameter of 13-15mm (compatible stoppers can be found by searching ASIN: B07CZ4FPZ8 and ASIN: B013TMXT7Q). These tubes are autoclavable, offering 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. Eisco Labs proudly manufactures its own products using state-of-the-art equipment and adhering 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 from only the highest-grade raw materials, according to international quality standards, to ensure they can withstand use in even the toughest laboratory environments.