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Corning Pyrex 5640-2L Borosilicate Glass 2L +/- 0.5mL Flat Bottom Class A Heavy Duty Volumetric Flask, with Glass Standard Taper Stopper
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Corning Pyrex 5640-2L Borosilicate Glass 2L Features
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Capacity: 2000mL; height 440mm; outer diameter: 180mm; tolerance: +/- 0.5mL
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Made from borosilicate glass code 7740
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Flat bottom volumetric flask has a No. 27 standard taper stopper made from hollow glass - and a long neck style
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Flask provides improved lab convenience - broad selection - and precise volume measurement
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Manufactured to Class A tolerances as established by ASTM E-694 - ASTM E-542 - and ASTM E-288
About Corning Pyrex 5640-2L Borosilicate Glass 2L
These PYREX 2L 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. 27 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: 2000mL. Flask style: volumetric. Flask shape: flat bottom. Top style: standard taper stopper. Neck style: long. Stopper style: hollow glass. Standard taper stopper number: No. 27. Flask feature: heavy duty. Accuracy class: Class A. Feature: reusable. Tolerance: +/-0.5mL. Height: 440mm. Outer diameter: 180mm. Corning #: 5640-2L.
