Erlenmeyer Flasks are designed with heavy duty rims to reduce chipping. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable white enamel. An extra large marking space is also provided.
(US Quarter for scale) **NOT INCLUDED**
Contains 1 each 50, 150 and 250ml Flask
High quality inert 3.3 borosilicate glass
ASTM Specification E960, Type I requirements
ID/OD: 50ml: 24.5/30.5mm, 150ml: 32/37mm, 250ml: 32/37.5mm.