Eisco Scientific Test Tubes, Borosilicate 3.3 Glass, 3 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 3 mL with uniform 1 mm walls and beaded rims, ensuring durability and precision. Measuring 2.5" tall (75 mm) with an outer diameter of 0.3" (10 mm) and inner diameter of 9 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: B013TMXQGU and ASIN: B07CZ3R5C8). 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.