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• Pyrex borosilicate glass, class B • Heavy hexagonal foot and perfectly flat: excellent stability • Anti-drop spout • Indelible graduation enamelled in blue
• Manufactured from borosilicate glass with DIN standard neck • Complies with ISO 478 • Graduations in blue enamel for the Class B cylinders, white for the Class A cylinders • Supplied with DIN polyethylene stopper • Classe A, work certified: individually tested, showing exact volume contained at 5 points on the scale, calibrated to Class A tolerances • Robust hexagonal foot
• Certificate of conformity with dated batch number • Circular main sub-divisions • Blue graduations • Thick dyed glass rim • Comply with norm DIN EN ISO 4788
• Manufactured from chemically resistant Pyrex borosilicate glass • Complies with ISO 4788 • Calibrated to the tolerances required by the United States Pharmacopoeia, Calibrated to Class A tolerances • Inscribed with an individual serial number for traceability purposes • Graduations in white enamel • Supplied with a UKAS calibration certificate
• ISO 4788 compliant • Calibrated to class A tolerance • Individually tested and supplied with a certificate showing the exact volume at 5 points on the scale • Certified 'H' compliance • With individual serial number • White enamelled graduation • In Pyrex borosilicate glass®