PYREX 250mL Class A Volumetric Flask with PTFE Stopper

PYREX 250mL Class A Volumetric Flask with PTFE Stopper, Part Number 5644-250-CL, Buy now from Corning Glass at Dawn Scientific.

These 250 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 16 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. 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.

Corning Incorporated, a renowned leader in materials science, has continually pushed the boundaries of innovation by merging its extensive expertise with robust manufacturing and engineering capabilities. Corning Glass has become synonymous with strength, reliability, and cutting-edge design. Corning’s commitment to advancing materials science continues to drive innovation, inspiring the development of next-generation solutions that shape the future of industries and improve the way we interact with technology.

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