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Thermo Scientific™ Nalgene™ Class B Polymethypentene (PMP) Volumetric Flasks with Screw Caps Available on GSA/VA Contract for Federal Government customers only.

Protect against leakage, breakage, and contamination with these volumetric flasks, calibrated “To Contain” and “To Deliver” at 20°C.

Manufacturer:  Thermo Scientific™ 40010250

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Catalog No. 10-198-52E

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Protect against leakage, breakage, and contamination. Thermo Scientific™ Nalgene™ Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated “To Contain” and “To Deliver” at 20°C. Flasks are lighter in weight than glass, more transparent than polypropylene and offer excellent chemical resistance.

  • Break resistance and excellent chemical resistance for years of dependable use in the lab
  • Individually hand calibrated, permanent color graduation line and oval marking spot for ease in reading fluid levels
  • No meniscus to confuse readings
  • Polypropylene closure
  • Meets ASTM™ E288 and ISO 384 Class B tolerances for consistent quality and dependability
  • Autoclavable/Leakproof†/Graduated

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8 oz.
20 mm
250 mL
22.2 cm
Meets ASTM™ E288 and ISO 384 Class B tolerances for consistent quality and dependability
Flask Volumetric PMP 250mL
8.74 in.
±0.24 mL
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Warning: Autoclavable but accuracy will be affected.  Completely disengage threads or remove cap before autoclaving.

† The term “leakproof” applies to Thermo Scientific Nalgene products that meet the following criteria: a) Bottle/flask/funnel closure systems with closures smaller than 100mm, after they are filled with water, inverted, withstand air pressure of 2psig for 2 minutes, and no water escapes;. b) Bottle/funnel/flask closure systems of larger than 100mm after they are filled with water, inverted for 15 minutes, and no water escapes. Note: these tests, using other liquids, may not yield the same results. To ensure safe usage, customers are advised to test Thermo Scientific Nalgene bottles and closures under conditions of their planned applications. Thermo Scientific Nalgene products are leakproof at ambient temperature and pressure when used with their Nalgene closures.