Eisco Scientific Test Tubes, Borosilicate 3.3 Glass, 25 mL, 100/Pack

This set includes 100 high-quality Borosilicate 3.3 Glass Test Tubes, which are perfect for various applications in the food and beverage industry. Each tube has a capacity of 25 mL with uniform 1.2 mm walls and beaded rims, ensuring durability and precision. Measuring 5.9" tall (150 mm) with an outer diameter of 0.7" (18 mm) and inner diameter of 16.8 mm, these tubes can accommodate stoppers with bottom diameters of 13-15 mm and top diameters of 18-20 mm (Stoppers are available under ASIN: B07CZ3J285 and B013TMXI2C). They are autoclavable and exhibit excellent chemical durability, withstanding direct flame, high temperatures, and thermal shocks. Eisco Labs Borosilicate glass is renowned for its exceptional heat tolerances: Strain Point -515°C, Annealing Point 565°C, and Softening Point 820°C, ensuring reliability in demanding laboratory environments.