Eisco Scientific Test Tubes, Borosilicate 3.3 Glass, 5 mL, 48/Pack

This set includes 48 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 5 mL with uniform 1 mm walls and beaded rims, ensuring durability and precision. Measuring 2.5" tall (75 mm) with an outer diameter of 0.5" (12 mm) and inner diameter of 11 mm, these tubes can accommodate stoppers with bottom diameters of 7-8 mm and top diameters of 10.5-11 mm (Stoppers are available under ASIN: B013TMXT7Q and ASIN: B07CZ4FPZ8). 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.