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Pyrex® 5642-25
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Pyrex® Class A Heavy Duty Long Neck Volumetric Flask with HDPE Standard Taper Stopper, 25 ml

Volumetric Flask, 25 ml, 40 OD x 121 mm H, Borosilicate Glass, Class A, Graduated, Heavy Duty, Flat Bottom, Long Neck, Number 9 Standard Taper Stopper, with HDPE Standard Taper Stopper, Reusable

  • Manufacturer Part No: 5642-25
  • SECO Part No: 12-6943-42
  • Sold As:
  • Availability: loading

These 25 ml class A Pyrex® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for number 9 standard taper polyethylene stoppers. The linear high density polyethylene stoppers are made with a closed bottom to conform to standard taper stopper dimensions. For replacement stoppers see number 7624. 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.

Capacity : 25 ml
Height : 121 mm
Material : Borosilicate Glass
Stopper Material : HDPE
Type : Heavy-duty
Class : Class A
Standard Taper Stopper : Number 9
Tolerance : ±0.03 ml
Diameter : 40 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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