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Corning Pyrex 5640-5L Borosilicate Glass 5L +/- 1.5mL Flat Bottom Class A Heavy Duty Volumetric Flask, with Glass Standard Taper Stopper
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About Corning Pyrex 5640-5L Borosilicate Glass 5L
These PYREX 5L volumetric flasks provide improved lab convenience - broad selection - and precise volume measurement. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for No. 38 standard taper glass stoppers. The graduation line is sharp and permanent and large white block letters make the inscription easy to read. These 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. Material: borosilicate glass code 7740. Capacity: 5000mL. Flask style: volumetric. Flask shape: flat bottom. Top style: standard taper stopper. Neck style: long. Stopper style: pennyhead glass. Standard taper stopper number: No. 38. Flask feature: heavy duty. Accuracy class: Class A. Feature: reusable. Tolerance: +/-1.5mL. Height: 520mm. Outer diameter: 215mm. Corning #: 5640-5L.
