Volumetric Flask 500ml - ASTM Class A - Tolerance ±0_20ml - Interchangeable Size 19 Polypropylene Stopper - Single White Graduation - Borosilicate Glass - Eisco Labs

500ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, white graduation mark. Includes an interchangeable, size 19 polypropylene stopper. Class A, tolerance, ±0.20ml as per ASTM-E288. Calibrated to contain. Flask stands 10.5" tall, and has a bottom diameter of 100mm. Neck has a diameter of 22mm. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C. Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and 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.