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Pyrex® Lifetime Red™ 5660-250
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Pyrex® Lifetime Red™ Class A To Contain Volumetric Flask with Glass Standard Taper Stopper, 250 ml

Volumetric Flask, 250 ml, 78 OD x 253 mm H, Clear, Borosilicate Glass, Class A, Graduated, To Contain, Flat Bottom, Long Neck, Number 16 Standard Taper Stopper, with Glass Hollow Stopper, Reusable

  • Manufacturer Part No: 5660-250
  • SECO Part No: COR-5660-250
  • Sold As:
  • Availability: loading

These 250 ml class A Pyrex® Lifetime Red™ volumetric flasks have the capacity mark etched as a fine line through a narrow red band into clear glass, making a filler unnecessary and giving high legibility, accuracy and permanence. The strength of these flasks has been increased appreciably through machine-blown bodies to which are sealed heavy-tubing necks tooled for number 16 standard taper glass stoppers. For replacement stoppers see number 7650. 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. Calibrated.

Capacity : 250 ml
Height : 253 mm
Color : Clear
Material (ml/min) : Borosilicate Glass
Stopper Material : Glass
Stopper Type : Hollow
Calibrated : To Contain
Class : Class A
Standard Taper Stopper : Number 16
Tolerance : ±0.12 ml
Diameter : 78 mm OD
Bottom Style : Flat
Flask Style : Volumetric
Graduations : Yes
Neck Style : Long
Top Style : Standard Taper Stopper
Usage : Reusable
  • ASTM Certified

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