Rimmed Borosilicate Glass Test Tubes, Pack of 24

Details

Here is the corrected text: Set of 24 test tubes made from high-quality Borosilicate 3.3 glass, featuring a 25ml capacity. The tubes have uniform 1.2mm walls and beaded rims. Each tube measures 5.9 inches (150mm) tall, with an outer diameter of 0.7 inches (18mm), and an inner diameter of 16.8mm. They accommodate stoppers with a bottom diameter of 13-15mm and a top diameter of 18-20mm (compatible stoppers can be found by searching ASIN: B07CZ3J285 and B013TMXI2C). These autoclavable tubes offer superior chemical durability, a low temperature gradient, and can 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, following 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 that they can withstand use in even the toughest laboratory environments.