This glass flask is widely used in various chemical reactions in the laboratory. It can be used as a conventional reaction container, or for reactions with strict conditions, and plays an important role in experiments that require long-term reactions. In addition, it can be used as a general research and hobby item, such as for cultivating green plants.

Specification
Material: 3.3 Borosilicate Glass
Color: Clear
Capacity: 250ml, 500ml
Height: 140mm / 5.51inch, 205mm / 8.07inch
Outside Diameter: 90mm / 3.54inch, 110mm / 4.33inch
24/40 Standard Taper Outer Joint
Package List: 2 x Glass Flask

Advantage
1. The frosted 24/40 standard taper outer joint is easy to set up in the laboratory, simple to operate.
2. Made of high temperature and corrosion resistant, strong 3.3 borosilicate glass.
3. The flasks feature clear graduations for accurate volume measurement.

Instruction
A flask is a glass container with a neck used in laboratories to hold liquid substances. Flasks are usually flat-bottomed or round-bottomed and can mix or store solutions, accurately measure volumes, prepare solutions, heat, reflux, filter, and perform various chemical reactions under controlled conditions.

Notice
Please do not use it in extreme temperatures or in extremely corrosive chemical reactions. Please clean it promptly after use and store it in a dry place.