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Sibata glassware is known throughout Japan and the USA for its high quality, precision laboratory glassware. These volumetric flasks meet the highest US Federal standards for ASTM E 288 Class A (Lab Grade) volumetric flasks. Sibata volumetric flasks have the same composition as Pyrex 7740 or Kimble KG-3
- Machine-blown bodies with heavy beaded, heavy tubing necks, tooled for stoppers.
- Large, white block letters for easy reading of the labeling
- Precise volume measurements @ 20° C
- Sharp and permanent graduation lines
- Supplied with a 9 ground glass stopper
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