Pycnometers, not calibrated, Borosilicate glass 3.3.
For easy differentiation both the body and the stopper carries the same identification code number. Nominal volume and inscriptions are printed with blue enamel. Manufactured according to ISO 3507 standard.
Material:
Boro 3.3
Pycnometers, not calibrated, Borosilicate glass 3.3.