3-Piece Narrow Neck Erlenmeyer Flask Set, 500/1000/2000mL, White Graduations, Borosilicate Glass

This set of three Erlenmeyer flasks is manufactured from 3.3 borosilicate glass and includes one each of 500 mL, 1000 mL, and 2000 mL capacities. Each flask features a conical shape with a narrow neck and white enamel graduations, conforming to DIN ISO 1773 standards. The 500 mL flask measures 7 inches tall with a 4-inch base diameter and internal/external neck diameters of 28 mm/34 mm. The 1000 mL flask measures 8.5 inches tall with a 5-inch base diameter and neck diameters of 35 mm/42 mm. The 2000 mL flask measures 11 inches tall with a 7-inch base diameter and neck diameters of 45 mm/50 mm. Borosilicate 3.3 glass provides superior chemical durability and thermal resistance, with heat tolerances rated at a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C.