FLASK VOLUMETRIC PYREX 1ML TEST TUBE SHAPE W/ GLASS
CLASS-A VOL FLASKS: w/Glass Stopper - PYREX®

• PYREX® volumetric flasks provide improved lab convenience, broad selection and precise volume measurement
• Flask strength has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for glass stoppers
• Graduation lines are sharp and permanent and large white block letters make the inscription easy to read
• 1mL and 2mL sizes are test tube shaped and sizes 3L thru 6L have pennyhead stoppers
• Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E
• 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks