Made from ASTM E-438 Type 1, Boro 3.3 heat resistance glass
These Flasks comes with Ground Joint
manufactured as per ASTM E-1403 type 1 specifications
Minimal thermal expansion giving relatively high resistance to temperature changes
Very good chemical resistance
Specification
Universal Scientific Glassco – is a company that manufactures laboratory equipment and supplies, including glassware like round bottom flasks. is a common laboratory glassware item.