• INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use
• calibrated to contain, and features a single white graduation mark. Fitted with a #9 polypropylene stopper
• CLASS A, ASTM || Class A tolerance. Compliant with ASTM-E288 standards
• SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks
• MANUFACTURED BY EISCO LABS || 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

volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, white graduation mark and a #9 polypropylene stopper. Class A, Calibrated to contain.
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.