Volumetric flasks are available in two different accuracy classes: Class A and Class B. The two classes differ in the accuracy of measurement with Class A being the highest accuracy, and Class B is approximately half that of Class A.
Complies with ASTM Specification E288, Class B, requirements
Manufactured from borosilicate glass 3.3
Calibrated to contain
KIMAX® flask with a graduation ring blasted on the neck
Enlarged top of the cap will protect the neck if the flask is tipped over
