Borosilicate glass 3.3, class A, conformity certified.
Calibrated to contain (TC, In)
Hexagonal glass base, PP stopper (except for 612-5028 and 612-5029 octagonal PE stopper)
Ring marks at major graduations, marks and inscriptions in high contrast blue enamel
Total order from one batch
Certifications: DIN EN ISO 4788.
Ordering information: Supplied with a batch certificate