12PK Erlenmeyer Flasks, 100mL - Borosilicate Glass - Narrow Neck Flasks, Conical Flasks, Glass Flasks - Eisco Labs

Pack of 12 100mL Erlenmeyer Flasks with narrow necks are made of heavy-duty borosilicate 3.3 glass. Features white enamal graduations every 25mL, a uniform wall thickness ideal for heating, and a reinforced rim to protect against accidental impacts. Meets DIN ISO 1773 standards for conical flasks. 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.