Pyrex Lifetime Red Class A Volumetric Flask; 100 mL; 12/CS

These PYREX® Brand 5660 Class A volumetric flasks feature a fine line capacity mark etched through a narrow red band into clear glass, making a filler unnecessary and providing high legibility, accuracy, and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies that feature sealed heavy-tubing necks. Flasks are calibrated "To Contain" and meet 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. SpecificationsOverall Height (cm): 18.2 Stopper Number Accepted: 13 Capacity (mL): 100 Cap Material: Glass Cap Type: Glass stopper Material: Glass Tolerancem L: ±0.08 Description: Brand 5660 Lifetime Red Volumetric Flask 100 m L, case of 12

• No more worn off graduations
• Get permanent legibility and accuracy with etched red graduation
• Volumetric flasks are constructed of borosilicate glass